/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_MM_H
#define _LINUX_MM_H
#include <linux/errno.h>
#ifdef __KERNEL__
#include <linux/mmdebug.h>
#include <linux/gfp.h>
#include <linux/bug.h>
#include <linux/list.h>
#include <linux/mmzone.h>
#include <linux/rbtree.h>
#include <linux/atomic.h>
#include <linux/debug_locks.h>
#include <linux/mm_types.h>
#include <linux/range.h>
#include <linux/pfn.h>
#include <linux/percpu-refcount.h>
#include <linux/bit_spinlock.h>
#include <linux/shrinker.h>
#include <linux/resource.h>
#include <linux/page_ext.h>
#include <linux/err.h>
#include <linux/page_ref.h>
#include <linux/memremap.h>
struct mempolicy;
struct anon_vma;
struct anon_vma_chain;
struct file_ra_state;
struct user_struct;
struct writeback_control;
struct bdi_writeback;
void init_mm_internals(void);
#ifndef CONFIG_NEED_MULTIPLE_NODES /* Don't use mapnrs, do it properly */
extern unsigned long max_mapnr;
static inline void set_max_mapnr(unsigned long limit)
{
max_mapnr = limit;
}
#else
static inline void set_max_mapnr(unsigned long limit) { }
#endif
extern unsigned long totalram_pages;
extern void * high_memory;
extern int page_cluster;
#ifdef CONFIG_SYSCTL
extern int sysctl_legacy_va_layout;
#else
#define sysctl_legacy_va_layout 0
#endif
#ifdef CONFIG_HAVE_ARCH_MMAP_RND_BITS
extern const int mmap_rnd_bits_min;
extern const int mmap_rnd_bits_max;
extern int mmap_rnd_bits __read_mostly;
#endif
#ifdef CONFIG_HAVE_ARCH_MMAP_RND_COMPAT_BITS
extern const int mmap_rnd_compat_bits_min;
extern const int mmap_rnd_compat_bits_max;
extern int mmap_rnd_compat_bits __read_mostly;
#endif
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
#ifndef __pa_symbol
#define __pa_symbol(x) __pa(RELOC_HIDE((unsigned long)(x), 0))
#endif
#ifndef page_to_virt
#define page_to_virt(x) __va(PFN_PHYS(page_to_pfn(x)))
#endif
#ifndef lm_alias
#define lm_alias(x) __va(__pa_symbol(x))
#endif
/*
* To prevent common memory management code establishing
* a zero page mapping on a read fault.
* This macro should be defined within <asm/pgtable.h>.
* s390 does this to prevent multiplexing of hardware bits
* related to the physical page in case of virtualization.
*/
#ifndef mm_forbids_zeropage
#define mm_forbids_zeropage(X) (0)
#endif
/*
* On some architectures it is expensive to call memset() for small sizes.
* Those architectures should provide their own implementation of "struct page"
* zeroing by defining this macro in <asm/pgtable.h>.
*/
#ifndef mm_zero_struct_page
#define mm_zero_struct_page(pp) ((void)memset((pp), 0, sizeof(struct page)))
#endif
/*
* Default maximum number of active map areas, this limits the number of vmas
* per mm struct. Users can overwrite this number by sysctl but there is a
* problem.
*
* When a program's coredump is generated as ELF format, a section is created
* per a vma. In ELF, the number of sections is represented in unsigned short.
* This means the number of sections should be smaller than 65535 at coredump.
* Because the kernel adds some informative sections to a image of program at
* generating coredump, we need some margin. The number of extra sections is
* 1-3 now and depends on arch. We use "5" as safe margin, here.
*
* ELF extended numbering allows more than 65535 sections, so 16-bit bound is
* not a hard limit any more. Although some userspace tools can be surprised by
* that.
*/
#define MAPCOUNT_ELF_CORE_MARGIN (5)
#define DEFAULT_MAX_MAP_COUNT (USHRT_MAX - MAPCOUNT_ELF_CORE_MARGIN)
extern int sysctl_max_map_count;
extern unsigned long sysctl_user_reserve_kbytes;
extern unsigned long sysctl_admin_reserve_kbytes;
extern int sysctl_overcommit_memory;
extern int sysctl_overcommit_ratio;
extern unsigned long sysctl_overcommit_kbytes;
extern int overcommit_ratio_handler(struct ctl_table *, int, void __user *,
size_t *, loff_t *);
extern int overcommit_kbytes_handler(struct ctl_table *, int, void __user *,
size_t *, loff_t *);
#define nth_page(page,n) pfn_to_page(page_to_pfn((page)) + (n))
/* to align the pointer to the (next) page boundary */
#define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE)
/* test whether an address (unsigned long or pointer) is aligned to PAGE_SIZE */
#define PAGE_ALIGNED(addr) IS_ALIGNED((unsigned long)(addr), PAGE_SIZE)
/*
* Linux kernel virtual memory manager primitives.
* The idea being to have a "virtual" mm in the same way
* we have a virtual fs - giving a cleaner interface to the
* mm details, and allowing different kinds of memory mappings
* (from shared memory to executable loading to arbitrary
* mmap() functions).
*/
struct vm_area_struct *vm_area_alloc(struct mm_struct *);
struct vm_area_struct *vm_area_dup(struct vm_area_struct *);
void vm_area_free(struct vm_area_struct *);
#ifndef CONFIG_MMU
extern struct rb_root nommu_region_tree;
extern struct rw_semaphore nommu_region_sem;
extern unsigned int kobjsize(const void *objp);
#endif
/*
* vm_flags in vm_area_struct, see mm_types.h.
* When changing, update also include/trace/events/mmflags.h
*/
#define VM_NONE 0x00000000
#define VM_READ 0x00000001 /* currently active flags */
#define VM_WRITE 0x00000002
#define VM_EXEC 0x00000004
#define VM_SHARED 0x00000008
/* mprotect() hardcodes VM_MAYREAD >> 4 == VM_READ, and so for r/w/x bits. */
#define VM_MAYREAD 0x00000010 /* limits for mprotect() etc */
#define VM_MAYWRITE 0x00000020
#define VM_MAYEXEC 0x00000040
#define VM_MAYSHARE 0x00000080
#define VM_GROWSDOWN 0x00000100 /* general info on the segment */
#define VM_UFFD_MISSING 0x00000200 /* missing pages tracking */
#define VM_PFNMAP 0x00000400 /* Page-ranges managed without "struct page", just pure PFN */
#define VM_DENYWRITE 0x00000800 /* ETXTBSY on write attempts.. */
#define VM_UFFD_WP 0x00001000 /* wrprotect pages tracking */
#define VM_LOCKED 0x00002000
#define VM_IO 0x00004000 /* Memory mapped I/O or similar */
/* Used by sys_madvise() */
#define VM_SEQ_READ 0x00008000 /* App will access data sequentially */
#define VM_RAND_READ 0x00010000 /* App will not benefit from clustered reads */
#define VM_DONTCOPY 0x00020000 /* Do not copy this vma on fork */
#define VM_DONTEXPAND 0x00040000 /* Cannot expand with mremap() */
#define VM_LOCKONFAULT 0x00080000 /* Lock the pages covered when they are faulted in */
#define VM_ACCOUNT 0x00100000 /* Is a VM accounted object */
#define VM_NORESERVE 0x00200000 /* should the VM suppress accounting */
#define VM_HUGETLB 0x00400000 /* Huge TLB Page VM */
#define VM_SYNC 0x00800000 /* Synchronous page faults */
#define VM_ARCH_1 0x01000000 /* Architecture-specific flag */
#define VM_WIPEONFORK 0x02000000 /* Wipe VMA contents in child. */
#define VM_DONTDUMP 0x04000000 /* Do not include in the core dump */
#ifdef CONFIG_MEM_SOFT_DIRTY
# define VM_SOFTDIRTY 0x08000000 /* Not soft dirty clean area */
#else
# define VM_SOFTDIRTY 0
#endif
#define VM_MIXEDMAP 0x10000000 /* Can contain "struct page" and pure PFN pages */
#define VM_HUGEPAGE 0x20000000 /* MADV_HUGEPAGE marked this vma */
#define VM_NOHUGEPAGE 0x40000000 /* MADV_NOHUGEPAGE marked this vma */
#define VM_MERGEABLE 0x80000000 /* KSM may merge identical pages */
#ifdef CONFIG_ARCH_USES_HIGH_VMA_FLAGS
#define VM_HIGH_ARCH_BIT_0 32 /* bit only usable on 64-bit architectures */
#define VM_HIGH_ARCH_BIT_1 33 /* bit only usable on 64-bit architectures */
#define VM_HIGH_ARCH_BIT_2 34 /* bit only usable on 64-bit architectures */
#define VM_HIGH_ARCH_BIT_3 35 /* bit only usable on 64-bit architectures */
#define VM_HIGH_ARCH_BIT_4 36 /* bit only usable on 64-bit architectures */
#define VM_HIGH_ARCH_0 BIT(VM_HIGH_ARCH_BIT_0)
#define VM_HIGH_ARCH_1 BIT(VM_HIGH_ARCH_BIT_1)
#define VM_HIGH_ARCH_2 BIT(VM_HIGH_ARCH_BIT_2)
#define VM_HIGH_ARCH_3 BIT(VM_HIGH_ARCH_BIT_3)
#define VM_HIGH_ARCH_4 BIT(VM_HIGH_ARCH_BIT_4)
#endif /* CONFIG_ARCH_USES_HIGH_VMA_FLAGS */
#if defined(CONFIG_X86)
# define VM_PAT VM_ARCH_1 /* PAT reserves whole VMA at once (x86) */
#if defined (CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS)
# define VM_PKEY_SHIFT VM_HIGH_ARCH_BIT_0
# define VM_PKEY_BIT0 VM_HIGH_ARCH_0 /* A protection key is a 4-bit value */
# define VM_PKEY_BIT1 VM_HIGH_ARCH_1
# define VM_PKEY_BIT2 VM_HIGH_ARCH_2
# define VM_PKEY_BIT3 VM_HIGH_ARCH_3
#endif
#elif defined(CONFIG_PPC)
# define VM_SAO VM_ARCH_1 /* Strong Access Ordering (powerpc) */
#elif defined(CONFIG_PARISC)
# define VM_GROWSUP VM_ARCH_1
#elif defined(CONFIG_METAG)
# define VM_GROWSUP VM_ARCH_1
#elif defined(CONFIG_IA64)
# define VM_GROWSUP VM_ARCH_1
#elif !defined(CONFIG_MMU)
# define VM_MAPPED_COPY VM_ARCH_1 /* T if mapped copy of data (nommu mmap) */
#endif
#if defined(CONFIG_X86_INTEL_MPX)
/* MPX specific bounds table or bounds directory */
# define VM_MPX VM_HIGH_ARCH_4
#else
# define VM_MPX VM_NONE
#endif
#ifndef VM_GROWSUP
# define VM_GROWSUP VM_NONE
#endif
/* Bits set in the VMA until the stack is in its final location */
#define VM_STACK_INCOMPLETE_SETUP (VM_RAND_READ | VM_SEQ_READ)
#ifndef VM_STACK_DEFAULT_FLAGS /* arch can override this */
#define VM_STACK_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS
#endif
#ifdef CONFIG_STACK_GROWSUP
#define VM_STACK VM_GROWSUP
#else
#define VM_STACK VM_GROWSDOWN
#endif
#define VM_STACK_FLAGS (VM_STACK | VM_STACK_DEFAULT_FLAGS | VM_ACCOUNT)
/*
* Special vmas that are non-mergable, non-mlock()able.
* Note: mm/huge_memory.c VM_NO_THP depends on this definition.
*/
#define VM_SPECIAL (VM_IO | VM_DONTEXPAND | VM_PFNMAP | VM_MIXEDMAP)
/* This mask defines which mm->def_flags a process can inherit its parent */
#define VM_INIT_DEF_MASK VM_NOHUGEPAGE
/* This mask is used to clear all the VMA flags used by mlock */
#define VM_LOCKED_CLEAR_MASK (~(VM_LOCKED | VM_LOCKONFAULT))
/*
* mapping from the currently active vm_flags protection bits (the
* low four bits) to a page protection mask..
*/
extern pgprot_t protection_map[16];
#define FAULT_FLAG_WRITE 0x01 /* Fault was a write access */
#define FAULT_FLAG_MKWRITE 0x02 /* Fault was mkwrite of existing pte */
#define FAULT_FLAG_ALLOW_RETRY 0x04 /* Retry fault if blocking */
#define FAULT_FLAG_RETRY_NOWAIT 0x08 /* Don't drop mmap_sem and wait when retrying */
#define FAULT_FLAG_KILLABLE 0x10 /* The fault task is in SIGKILL killable region */
#define FAULT_FLAG_TRIED 0x20 /* Second try */
#define FAULT_FLAG_USER 0x40 /* The fault originated in userspace */
#define FAULT_FLAG_REMOTE 0x80 /* faulting for non current tsk/mm */
#define FAULT_FLAG_INSTRUCTION 0x100 /* The fault was during an instruction fetch */
#define FAULT_FLAG_TRACE \
{ FAULT_FLAG_WRITE, "WRITE" }, \
{ FAULT_FLAG_MKWRITE, "MKWRITE" }, \
{ FAULT_FLAG_ALLOW_RETRY, "ALLOW_RETRY" }, \
{ FAULT_FLAG_RETRY_NOWAIT, "RETRY_NOWAIT" }, \
{ FAULT_FLAG_KILLABLE, "KILLABLE" }, \
{ FAULT_FLAG_TRIED, "TRIED" }, \
{ FAULT_FLAG_USER, "USER" }, \
{ FAULT_FLAG_REMOTE, "REMOTE" }, \
{ FAULT_FLAG_INSTRUCTION, "INSTRUCTION" }
/*
* vm_fault is filled by the the pagefault handler and passed to the vma's
* ->fault function. The vma's ->fault is responsible for returning a bitmask
* of VM_FAULT_xxx flags that give details about how the fault was handled.
*
* MM layer fills up gfp_mask for page allocations but fault handler might
* alter it if its implementation requires a different allocation context.
*
* pgoff should be used in favour of virtual_address, if possible.
*/
struct vm_fault {
struct vm_area_struct *vma; /* Target VMA */
unsigned int flags; /* FAULT_FLAG_xxx flags */
gfp_t gfp_mask; /* gfp mask to be used for allocations */
pgoff_t pgoff; /* Logical page offset based on vma */
unsigned long address; /* Faulting virtual address */
pmd_t *pmd; /* Pointer to pmd entry matching
* the 'address' */
pud_t *pud; /* Pointer to pud entry matching
* the 'address'
*/
pte_t orig_pte; /* Value of PTE at the time of fault */
struct page *cow_page; /* Page handler may use for COW fault */
struct mem_cgroup *memcg; /* Cgroup cow_page belongs to */
struct page *page; /* ->fault handlers should return a
* page here, unless VM_FAULT_NOPAGE
* is set (which is also implied by
* VM_FAULT_ERROR).
*/
/* These three entries are valid only while holding ptl lock */
pte_t *pte; /* Pointer to pte entry matching
* the 'address'. NULL if the page
* table hasn't been allocated.
*/
spinlock_t *ptl; /* Page table lock.
* Protects pte page table if 'pte'
* is not NULL, otherwise pmd.
*/
pgtable_t prealloc_pte; /* Pre-allocated pte page table.
* vm_ops->map_pages() calls
* alloc_set_pte() from atomic context.
* do_fault_around() pre-allocates
* page table to avoid allocation from
* atomic context.
*/
};
/* page entry size for vm->huge_fault() */
enum page_entry_size {
PE_SIZE_PTE = 0,
PE_SIZE_PMD,
PE_SIZE_PUD,
};
/*
* These are the virtual MM functions - opening of an area, closing and
* unmapping it (needed to keep files on disk up-to-date etc), pointer
* to the functions called when a no-page or a wp-page exception occurs.
*/
struct vm_operations_struct {
void (*open)(struct vm_area_struct * area);
void (*close)(struct vm_area_struct * area);
int (*split)(struct vm_area_struct * area, unsigned long addr);
int (*mremap)(struct vm_area_struct * area);
int (*fault)(struct vm_fault *vmf);
int (*huge_fault)(struct vm_fault *vmf, enum page_entry_size pe_size);
void (*map_pages)(struct vm_fault *vmf,
pgoff_t start_pgoff, pgoff_t end_pgoff);
/* notification that a previously read-only page is about to become
* writable, if an error is returned it will cause a SIGBUS */
int (*page_mkwrite)(struct vm_fault *vmf);
/* same as page_mkwrite when using VM_PFNMAP|VM_MIXEDMAP */
int (*pfn_mkwrite)(struct vm_fault *vmf);
/* called by access_process_vm when get_user_pages() fails, typically
* for use by special VMAs that can switch between memory and hardware
*/
int (*access)(struct vm_area_struct *vma, unsigned long addr,
void *buf, int len, int write);
/* Called by the /proc/PID/maps code to ask the vma whether it
* has a special name. Returning non-NULL will also cause this
* vma to be dumped unconditionally. */
const char *(*name)(struct vm_area_struct *vma);
#ifdef CONFIG_NUMA
/*
* set_policy() op must add a reference to any non-NULL @new mempolicy
* to hold the policy upon return. Caller should pass NULL @new to
* remove a policy and fall back to surrounding context--i.e. do not
* install a MPOL_DEFAULT policy, nor the task or system default
* mempolicy.
*/
int (*set_policy)(struct vm_area_struct *vma, struct mempolicy *new);
/*
* get_policy() op must add reference [mpol_get()] to any policy at
* (vma,addr) marked as MPOL_SHARED. The shared policy infrastructure
* in mm/mempolicy.c will do this automatically.
* get_policy() must NOT add a ref if the policy at (vma,addr) is not
* marked as MPOL_SHARED. vma policies are protected by the mmap_sem.
* If no [shared/vma] mempolicy exists at the addr, get_policy() op
* must return NULL--i.e., do not "fallback" to task or system default
* policy.
*/
struct mempolicy *(*get_policy)(struct vm_area_struct *vma,
unsigned long addr);
#endif
/*
* Called by vm_normal_page() for special PTEs to find the
* page for @addr. This is useful if the default behavior
* (using pte_page()) would not find the correct page.
*/
struct page *(*find_special_page)(struct vm_area_struct *vma,
unsigned long addr);
};
struct mmu_gather;
struct inode;
#define page_private(page) ((page)->private)
#define set_page_private(page, v) ((page)->private = (v))
#if !defined(__HAVE_ARCH_PTE_DEVMAP) || !defined(CONFIG_TRANSPARENT_HUGEPAGE)
static inline int pmd_devmap(pmd_t pmd)
{
return 0;
}
static inline int pud_devmap(pud_t pud)
{
return 0;
}
static inline int pgd_devmap(pgd_t pgd)
{
return 0;
}
#endif
/*
* FIXME: take this include out, include page-flags.h in
* files which need it (119 of them)
*/
#include <linux/page-flags.h>
#include <linux/huge_mm.h>
/*
* Methods to modify the page usage count.
*
* What counts for a page usage:
* - cache mapping (page->mapping)
* - private data (page->private)
* - page mapped in a task's page tables, each mapping
* is counted separately
*
* Also, many kernel routines increase the page count before a critical
* routine so they can be sure the page doesn't go away from under them.
*/
/*
* Drop a ref, return true if the refcount fell to zero (the page has no users)
*/
static inline int put_page_testzero(struct page *page)
{
VM_BUG_ON_PAGE(page_ref_count(page) == 0, page);
return page_ref_dec_and_test(page);
}
/*
* Try to grab a ref unless the page has a refcount of zero, return false if
* that is the case.
* This can be called when MMU is off so it must not access
* any of the virtual mappings.
*/
static inline int get_page_unless_zero(struct page *page)
{
return page_ref_add_unless(page, 1, 0);
}
extern int page_is_ram(unsigned long pfn);
enum {
REGION_INTERSECTS,
REGION_DISJOINT,
REGION_MIXED,
};
int region_intersects(resource_size_t offset, size_t size, unsigned long flags,
unsigned long desc);
/* Support for virtually mapped pages */
struct page *vmalloc_to_page(const void *addr);
unsigned long vmalloc_to_pfn(const void *addr);
/*
* Determine if an address is within the vmalloc range
*
* On nommu, vmalloc/vfree wrap through kmalloc/kfree directly, so there
* is no special casing required.
*/
static inline bool is_vmalloc_addr(const void *x)
{
#ifdef CONFIG_MMU
unsigned long addr = (unsigned long)x;
return addr >= VMALLOC_START && addr < VMALLOC_END;
#else
return false;
#endif
}
#ifdef CONFIG_MMU
extern int is_vmalloc_or_module_addr(const void *x);
#else
static inline int is_vmalloc_or_module_addr(const void *x)
{
return 0;
}
#endif
extern void *kvmalloc_node(size_t size, gfp_t flags, int node);
static inline void *kvmalloc(size_t size, gfp_t flags)
{
return kvmalloc_node(size, flags, NUMA_NO_NODE);
}
static inline void *kvzalloc_node(size_t size, gfp_t flags, int node)
{
return kvmalloc_node(size, flags | __GFP_ZERO, node);
}
static inline void *kvzalloc(size_t size, gfp_t flags)
{
return kvmalloc(size, flags | __GFP_ZERO);
}
static inline void *kvmalloc_array(size_t n, size_t size, gfp_t flags)
{
if (size != 0 && n > SIZE_MAX / size)
return NULL;
return kvmalloc(n * size, flags);
}
extern void kvfree(const void *addr);
extern void kvfree_sensitive(const void *addr, size_t len);
/*
* Mapcount of compound page as a whole, does not include mapped sub-pages.
*
* Must be called only for compound pages or any their tail sub-pages.
*/
static inline int compound_mapcount(struct page *page)
{
VM_BUG_ON_PAGE(!PageCompound(page), page);
page = compound_head(page);
return atomic_read(compound_mapcount_ptr(page)) + 1;
}
/*
* The atomic page->_mapcount, starts from -1: so that transitions
* both from it and to it can be tracked, using atomic_inc_and_test
* and atomic_add_negative(-1).
*/
static inline void page_mapcount_reset(struct page *page)
{
atomic_set(&(page)->_mapcount, -1);
}
int __page_mapcount(struct page *page);
/*
* Mapcount of 0-order page; when compound sub-page, includes
* compound_mapcount().
*
* Result is undefined for pages which cannot be mapped into userspace.
* For example SLAB or special types of pages. See function page_has_type().
* They use this place in struct page differently.
*/
static inline int page_mapcount(struct page *page)
{
if (unlikely(PageCompound(page)))
return __page_mapcount(page);
return atomic_read(&page->_mapcount) + 1;
}
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
int total_mapcount(struct page *page);
int page_trans_huge_mapcount(struct page *page, int *total_mapcount);
#else
static inline int total_mapcount(struct page *page)
{
return page_mapcount(page);
}
static inline int page_trans_huge_mapcount(struct page *page,
int *total_mapcount)
{
int mapcount = page_mapcount(page);
if (total_mapcount)
*total_mapcount = mapcount;
return mapcount;
}
#endif
static inline struct page *virt_to_head_page(const void *x)
{
struct page *page = virt_to_page(x);
return compound_head(page);
}
void __put_page(struct page *page);
void put_pages_list(struct list_head *pages);
void split_page(struct page *page, unsigned int order);
/*
* Compound pages have a destructor function. Provide a
* prototype for that function and accessor functions.
* These are _only_ valid on the head of a compound page.
*/
typedef void compound_page_dtor(struct page *);
/* Keep the enum in sync with compound_page_dtors array in mm/page_alloc.c */
enum compound_dtor_id {
NULL_COMPOUND_DTOR,
COMPOUND_PAGE_DTOR,
#ifdef CONFIG_HUGETLB_PAGE
HUGETLB_PAGE_DTOR,
#endif
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
TRANSHUGE_PAGE_DTOR,
#endif
NR_COMPOUND_DTORS,
};
extern compound_page_dtor * const compound_page_dtors[];
static inline void set_compound_page_dtor(struct page *page,
enum compound_dtor_id compound_dtor)
{
VM_BUG_ON_PAGE(compound_dtor >= NR_COMPOUND_DTORS, page);
page[1].compound_dtor = compound_dtor;
}
static inline compound_page_dtor *get_compound_page_dtor(struct page *page)
{
VM_BUG_ON_PAGE(page[1].compound_dtor >= NR_COMPOUND_DTORS, page);
return compound_page_dtors[page[1].compound_dtor];
}
static inline unsigned int compound_order(struct page *page)
{
if (!PageHead(page))
return 0;
return page[1].compound_order;
}
static inline void set_compound_order(struct page *page, unsigned int order)
{
page[1].compound_order = order;
}
void free_compound_page(struct page *page);
#ifdef CONFIG_MMU
/*
* Do pte_mkwrite, but only if the vma says VM_WRITE. We do this when
* servicing faults for write access. In the normal case, do always want
* pte_mkwrite. But get_user_pages can cause write faults for mappings
* that do not have writing enabled, when used by access_process_vm.
*/
static inline pte_t maybe_mkwrite(pte_t pte, struct vm_area_struct *vma)
{
if (likely(vma->vm_flags & VM_WRITE))
pte = pte_mkwrite(pte);
return pte;
}
int alloc_set_pte(struct vm_fault *vmf, struct mem_cgroup *memcg,
struct page *page);
int finish_fault(struct vm_fault *vmf);
int finish_mkwrite_fault(struct vm_fault *vmf);
#endif
/*
* Multiple processes may "see" the same page. E.g. for untouched
* mappings of /dev/null, all processes see the same page full of
* zeroes, and text pages of executables and shared libraries have
* only one copy in memory, at most, normally.
*
* For the non-reserved pages, page_count(page) denotes a reference count.
* page_count() == 0 means the page is free. page->lru is then used for
* freelist management in the buddy allocator.
* page_count() > 0 means the page has been allocated.
*
* Pages are allocated by the slab allocator in order to provide memory
* to kmalloc and kmem_cache_alloc. In this case, the management of the
* page, and the fields in 'struct page' are the responsibility of mm/slab.c
* unless a particular usage is carefully commented. (the responsibility of
* freeing the kmalloc memory is the caller's, of course).
*
* A page may be used by anyone else who does a __get_free_page().
* In this case, page_count still tracks the references, and should only
* be used through the normal accessor functions. The top bits of page->flags
* and page->virtual store page management information, but all other fields
* are unused and could be used privately, carefully. The management of this
* page is the responsibility of the one who allocated it, and those who have
* subsequently been given references to it.
*
* The other pages (we may call them "pagecache pages") are completely
* managed by the Linux memory manager: I/O, buffers, swapping etc.
* The following discussion applies only to them.
*
* A pagecache page contains an opaque `private' member, which belongs to the
* page's address_space. Usually, this is the address of a circular list of
* the page's disk buffers. PG_private must be set to tell the VM to call
* into the filesystem to release these pages.
*
* A page may belong to an inode's memory mapping. In this case, page->mapping
* is the pointer to the inode, and page->index is the file offset of the page,
* in units of PAGE_SIZE.
*
* If pagecache pages are not associated with an inode, they are said to be
* anonymous pages. These may become associated with the swapcache, and in that
* case PG_swapcache is set, and page->private is an offset into the swapcache.
*
* In either case (swapcache or inode backed), the pagecache itself holds one
* reference to the page. Setting PG_private should also increment the
* refcount. The each user mapping also has a reference to the page.
*
* The pagecache pages are stored in a per-mapping radix tree, which is
* rooted at mapping->page_tree, and indexed by offset.
* Where 2.4 and early 2.6 kernels kept dirty/clean pages in per-address_space
* lists, we instead now tag pages as dirty/writeback in the radix tree.
*
* All pagecache pages may be subject to I/O:
* - inode pages may need to be read from disk,
* - inode pages which have been modified and are MAP_SHARED may need
* to be written back to the inode on disk,
* - anonymous pages (including MAP_PRIVATE file mappings) which have been
* modified may need to be swapped out to swap space and (later) to be read
* back into memory.
*/
/*
* The zone field is never updated after free_area_init_core()
* sets it, so none of the operations on it need to be atomic.
*/
/* Page flags: | [SECTION] | [NODE] | ZONE | [LAST_CPUPID] | ... | FLAGS | */
#define SECTIONS_PGOFF ((sizeof(unsigned long)*8) - SECTIONS_WIDTH)
#define NODES_PGOFF (SECTIONS_PGOFF - NODES_WIDTH)
#define ZONES_PGOFF (NODES_PGOFF - ZONES_WIDTH)
#define LAST_CPUPID_PGOFF (ZONES_PGOFF - LAST_CPUPID_WIDTH)
/*
* Define the bit shifts to access each section. For non-existent
* sections we define the shift as 0; that plus a 0 mask ensures
* the compiler will optimise away reference to them.
*/
#define SECTIONS_PGSHIFT (SECTIONS_PGOFF * (SECTIONS_WIDTH != 0))
#define NODES_PGSHIFT (NODES_PGOFF * (NODES_WIDTH != 0))
#define ZONES_PGSHIFT (ZONES_PGOFF * (ZONES_WIDTH != 0))
#define LAST_CPUPID_PGSHIFT (LAST_CPUPID_PGOFF * (LAST_CPUPID_WIDTH != 0))
/* NODE:ZONE or SECTION:ZONE is used to ID a zone for the buddy allocator */
#ifdef NODE_NOT_IN_PAGE_FLAGS
#define ZONEID_SHIFT (SECTIONS_SHIFT + ZONES_SHIFT)
#define ZONEID_PGOFF ((SECTIONS_PGOFF < ZONES_PGOFF)? \
SECTIONS_PGOFF : ZONES_PGOFF)
#else
#define ZONEID_SHIFT (NODES_SHIFT + ZONES_SHIFT)
#define ZONEID_PGOFF ((NODES_PGOFF < ZONES_PGOFF)? \
NODES_PGOFF : ZONES_PGOFF)
#endif
#define ZONEID_PGSHIFT (ZONEID_PGOFF * (ZONEID_SHIFT != 0))
#if SECTIONS_WIDTH+NODES_WIDTH+ZONES_WIDTH > BITS_PER_LONG - NR_PAGEFLAGS
#error SECTIONS_WIDTH+NODES_WIDTH+ZONES_WIDTH > BITS_PER_LONG - NR_PAGEFLAGS
#endif
#define ZONES_MASK ((1UL << ZONES_WIDTH) - 1)
#define NODES_MASK ((1UL << NODES_WIDTH) - 1)
#define SECTIONS_MASK ((1UL << SECTIONS_WIDTH) - 1)
#define LAST_CPUPID_MASK ((1UL << LAST_CPUPID_SHIFT) - 1)
#define ZONEID_MASK ((1UL << ZONEID_SHIFT) - 1)
static inline enum zone_type page_zonenum(const struct page *page)
{
return (page->flags >> ZONES_PGSHIFT) & ZONES_MASK;
}
#ifdef CONFIG_ZONE_DEVICE
static inline bool is_zone_device_page(const struct page *page)
{
return page_zonenum(page) == ZONE_DEVICE;
}
#else
static inline bool is_zone_device_page(const struct page *page)
{
return false;
}
#endif
#if defined(CONFIG_DEVICE_PRIVATE) || defined(CONFIG_DEVICE_PUBLIC)
void put_zone_device_private_or_public_page(struct page *page);
DECLARE_STATIC_KEY_FALSE(device_private_key);
#define IS_HMM_ENABLED static_branch_unlikely(&device_private_key)
static inline bool is_device_private_page(const struct page *page);
static inline bool is_device_public_page(const struct page *page);
#else /* CONFIG_DEVICE_PRIVATE || CONFIG_DEVICE_PUBLIC */
static inline void put_zone_device_private_or_public_page(struct page *page)
{
}
#define IS_HMM_ENABLED 0
static inline bool is_device_private_page(const struct page *page)
{
return false;
}
static inline bool is_device_public_page(const struct page *page)
{
return false;
}
#endif /* CONFIG_DEVICE_PRIVATE || CONFIG_DEVICE_PUBLIC */
/* 127: arbitrary random number, small enough to assemble well */
#define page_ref_zero_or_close_to_overflow(page) \
((unsigned int) page_ref_count(page) + 127u <= 127u)
static inline void get_page(struct page *page)
{
page = compound_head(page);
/*
* Getting a normal page or the head of a compound page
* requires to already have an elevated page->_refcount.
*/
VM_BUG_ON_PAGE(page_ref_zero_or_close_to_overflow(page), page);
page_ref_inc(page);
}
static inline __must_check bool try_get_page(struct page *page)
{
page = compound_head(page);
if (WARN_ON_ONCE(page_ref_count(page) <= 0))
return false;
page_ref_inc(page);
return true;
}
static inline void put_page(struct page *page)
{
page = compound_head(page);
/*
* For private device pages we need to catch refcount transition from
* 2 to 1, when refcount reach one it means the private device page is
* free and we need to inform the device driver through callback. See
* include/linux/memremap.h and HMM for details.
*/
if (IS_HMM_ENABLED && unlikely(is_device_private_page(page) ||
unlikely(is_device_public_page(page)))) {
put_zone_device_private_or_public_page(page);
return;
}
if (put_page_testzero(page))
__put_page(page);
}
#if defined(CONFIG_SPARSEMEM) && !defined(CONFIG_SPARSEMEM_VMEMMAP)
#define SECTION_IN_PAGE_FLAGS
#endif
/*
* The identification function is mainly used by the buddy allocator for
* determining if two pages could be buddies. We are not really identifying
* the zone since we could be using the section number id if we do not have
* node id available in page flags.
* We only guarantee that it will return the same value for two combinable
* pages in a zone.
*/
static inline int page_zone_id(struct page *page)
{
return (page->flags >> ZONEID_PGSHIFT) & ZONEID_MASK;
}
static inline int zone_to_nid(struct zone *zone)
{
#ifdef CONFIG_NUMA
return zone->node;
#else
return 0;
#endif
}
#ifdef NODE_NOT_IN_PAGE_FLAGS
extern int page_to_nid(const struct page *page);
#else
static inline int page_to_nid(const struct page *page)
{
return (page->flags >> NODES_PGSHIFT) & NODES_MASK;
}
#endif
#ifdef CONFIG_NUMA_BALANCING
static inline int cpu_pid_to_cpupid(int cpu, int pid)
{
return ((cpu & LAST__CPU_MASK) << LAST__PID_SHIFT) | (pid & LAST__PID_MASK);
}
static inline int cpupid_to_pid(int cpupid)
{
return cpupid & LAST__PID_MASK;
}
static inline int cpupid_to_cpu(int cpupid)
{
return (cpupid >> LAST__PID_SHIFT) & LAST__CPU_MASK;
}
static inline int cpupid_to_nid(int cpupid)
{
return cpu_to_node(cpupid_to_cpu(cpupid));
}
static inline bool cpupid_pid_unset(int cpupid)
{
return cpupid_to_pid(cpupid) == (-1 & LAST__PID_MASK);
}
static inline bool cpupid_cpu_unset(int cpupid)
{
return cpupid_to_cpu(cpupid) == (-1 & LAST__CPU_MASK);
}
static inline bool __cpupid_match_pid(pid_t task_pid, int cpupid)
{
return (task_pid & LAST__PID_MASK) == cpupid_to_pid(cpupid);
}
#define cpupid_match_pid(task, cpupid) __cpupid_match_pid(task->pid, cpupid)
#ifdef LAST_CPUPID_NOT_IN_PAGE_FLAGS
static inline int page_cpupid_xchg_last(struct page *page, int cpupid)
{
return xchg(&page->_last_cpupid, cpupid & LAST_CPUPID_MASK);
}
static inline int page_cpupid_last(struct page *page)
{
return page->_last_cpupid;
}
static inline void page_cpupid_reset_last(struct page *page)
{
page->_last_cpupid = -1 & LAST_CPUPID_MASK;
}
#else
static inline int page_cpupid_last(struct page *page)
{
return (page->flags >> LAST_CPUPID_PGSHIFT) & LAST_CPUPID_MASK;
}
extern int page_cpupid_xchg_last(struct page *page, int cpupid);
static inline void page_cpupid_reset_last(struct page *page)
{
page->flags |= LAST_CPUPID_MASK << LAST_CPUPID_PGSHIFT;
}
#endif /* LAST_CPUPID_NOT_IN_PAGE_FLAGS */
#else /* !CONFIG_NUMA_BALANCING */
static inline int page_cpupid_xchg_last(struct page *page, int cpupid)
{
return page_to_nid(page); /* XXX */
}
static inline int page_cpupid_last(struct page *page)
{
return page_to_nid(page); /* XXX */
}
static inline int cpupid_to_nid(int cpupid)
{
return -1;
}
static inline int cpupid_to_pid(int cpupid)
{
return -1;
}
static inline int cpupid_to_cpu(int cpupid)
{
return -1;
}
static inline int cpu_pid_to_cpupid(int nid, int pid)
{
return -1;
}
static inline bool cpupid_pid_unset(int cpupid)
{
return 1;
}
static inline void page_cpupid_reset_last(struct page *page)
{
}
static inline bool cpupid_match_pid(struct task_struct *task, int cpupid)
{
return false;
}
#endif /* CONFIG_NUMA_BALANCING */
static inline struct zone *page_zone(const struct page *page)
{
return &NODE_DATA(page_to_nid(page))->node_zones[page_zonenum(page)];
}
static inline pg_data_t *page_pgdat(const struct page *page)
{
return NODE_DATA(page_to_nid(page));
}
#ifdef SECTION_IN_PAGE_FLAGS
static inline void set_page_section(struct page *page, unsigned long section)
{
page->flags &= ~(SECTIONS_MASK << SECTIONS_PGSHIFT);
page->flags |= (section & SECTIONS_MASK) << SECTIONS_PGSHIFT;
}
static inline unsigned long page_to_section(const struct page *page)
{
return (page->flags >> SECTIONS_PGSHIFT) & SECTIONS_MASK;
}
#endif
static inline void set_page_zone(struct page *page, enum zone_type zone)
{
page->flags &= ~(ZONES_MASK << ZONES_PGSHIFT);
page->flags |= (zone & ZONES_MASK) << ZONES_PGSHIFT;
}
static inline void set_page_node(struct page *page, unsigned long node)
{
page->flags &= ~(NODES_MASK << NODES_PGSHIFT);
page->flags |= (node & NODES_MASK) << NODES_PGSHIFT;
}
static inline void set_page_links(struct page *page, enum zone_type zone,
unsigned long node, unsigned long pfn)
{
set_page_zone(page, zone);
set_page_node(page, node);
#ifdef SECTION_IN_PAGE_FLAGS
set_page_section(page, pfn_to_section_nr(pfn));
#endif
}
#ifdef CONFIG_MEMCG
static inline struct mem_cgroup *page_memcg(struct page *page)
{
return page->mem_cgroup;
}
static inline struct mem_cgroup *page_memcg_rcu(struct page *page)
{
WARN_ON_ONCE(!rcu_read_lock_held());
return READ_ONCE(page->mem_cgroup);
}
#else
static inline struct mem_cgroup *page_memcg(struct page *page)
{
return NULL;
}
static inline struct mem_cgroup *page_memcg_rcu(struct page *page)
{
WARN_ON_ONCE(!rcu_read_lock_held());
return NULL;
}
#endif
/*
* Some inline functions in vmstat.h depend on page_zone()
*/
#include <linux/vmstat.h>
static __always_inline void *lowmem_page_address(const struct page *page)
{
return page_to_virt(page);
}
#if defined(CONFIG_HIGHMEM) && !defined(WANT_PAGE_VIRTUAL)
#define HASHED_PAGE_VIRTUAL
#endif
#if defined(WANT_PAGE_VIRTUAL)
static inline void *page_address(const struct page *page)
{
return page->virtual;
}
static inline void set_page_address(struct page *page, void *address)
{
page->virtual = address;
}
#define page_address_init() do { } while(0)
#endif
#if defined(HASHED_PAGE_VIRTUAL)
void *page_address(const struct page *page);
void set_page_address(struct page *page, void *virtual);
void page_address_init(void);
#endif
#if !defined(HASHED_PAGE_VIRTUAL) && !defined(WANT_PAGE_VIRTUAL)
#define page_address(page) lowmem_page_address(page)
#define set_page_address(page, address) do { } while(0)
#define page_address_init() do { } while(0)
#endif
extern void *page_rmapping(struct page *page);
extern struct anon_vma *page_anon_vma(struct page *page);
extern struct address_space *page_mapping(struct page *page);
extern struct address_space *__page_file_mapping(struct page *);
static inline
struct address_space *page_file_mapping(struct page *page)
{
if (unlikely(PageSwapCache(page)))
return __page_file_mapping(page);
return page->mapping;
}
extern pgoff_t __page_file_index(struct page *page);
/*
* Return the pagecache index of the passed page. Regular pagecache pages
* use ->index whereas swapcache pages use swp_offset(->private)
*/
static inline pgoff_t page_index(struct page *page)
{
if (unlikely(PageSwapCache(page)))
return __page_file_index(page);
return page->index;
}
bool page_mapped(struct page *page);
struct address_space *page_mapping(struct page *page);
/*
* Return true only if the page has been allocated with
* ALLOC_NO_WATERMARKS and the low watermark was not
* met implying that the system is under some pressure.
*/
static inline bool page_is_pfmemalloc(struct page *page)
{
/*
* Page index cannot be this large so this must be
* a pfmemalloc page.
*/
return page->index == -1UL;
}
/*
* Only to be called by the page allocator on a freshly allocated
* page.
*/
static inline void set_page_pfmemalloc(struct page *page)
{
page->index = -1UL;
}
static inline void clear_page_pfmemalloc(struct page *page)
{
page->index = 0;
}
/*
* Different kinds of faults, as returned by handle_mm_fault().
* Used to decide whether a process gets delivered SIGBUS or
* just gets major/minor fault counters bumped up.
*/
#define VM_FAULT_OOM 0x0001
#define VM_FAULT_SIGBUS 0x0002
#define VM_FAULT_MAJOR 0x0004
#define VM_FAULT_WRITE 0x0008 /* Special case for get_user_pages */
#define VM_FAULT_HWPOISON 0x0010 /* Hit poisoned small page */
#define VM_FAULT_HWPOISON_LARGE 0x0020 /* Hit poisoned large page. Index encoded in upper bits */
#define VM_FAULT_SIGSEGV 0x0040
#define VM_FAULT_NOPAGE 0x0100 /* ->fault installed the pte, not return page */
#define VM_FAULT_LOCKED 0x0200 /* ->fault locked the returned page */
#define VM_FAULT_RETRY 0x0400 /* ->fault blocked, must retry */
#define VM_FAULT_FALLBACK 0x0800 /* huge page fault failed, fall back to small */
#define VM_FAULT_DONE_COW 0x1000 /* ->fault has fully handled COW */
#define VM_FAULT_NEEDDSYNC 0x2000 /* ->fault did not modify page tables
* and needs fsync() to complete (for
* synchronous page faults in DAX) */
#define VM_FAULT_ERROR (VM_FAULT_OOM | VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV | \
VM_FAULT_HWPOISON | VM_FAULT_HWPOISON_LARGE | \
VM_FAULT_FALLBACK)
#define VM_FAULT_RESULT_TRACE \
{ VM_FAULT_OOM, "OOM" }, \
{ VM_FAULT_SIGBUS, "SIGBUS" }, \
{ VM_FAULT_MAJOR, "MAJOR" }, \
{ VM_FAULT_WRITE, "WRITE" }, \
{ VM_FAULT_HWPOISON, "HWPOISON" }, \
{ VM_FAULT_HWPOISON_LARGE, "HWPOISON_LARGE" }, \
{ VM_FAULT_SIGSEGV, "SIGSEGV" }, \
{ VM_FAULT_NOPAGE, "NOPAGE" }, \
{ VM_FAULT_LOCKED, "LOCKED" }, \
{ VM_FAULT_RETRY, "RETRY" }, \
{ VM_FAULT_FALLBACK, "FALLBACK" }, \
{ VM_FAULT_DONE_COW, "DONE_COW" }, \
{ VM_FAULT_NEEDDSYNC, "NEEDDSYNC" }
/* Encode hstate index for a hwpoisoned large page */
#define VM_FAULT_SET_HINDEX(x) ((x) << 12)
#define VM_FAULT_GET_HINDEX(x) (((x) >> 12) & 0xf)
/*
* Can be called by the pagefault handler when it gets a VM_FAULT_OOM.
*/
extern void pagefault_out_of_memory(void);
#define offset_in_page(p) ((unsigned long)(p) & ~PAGE_MASK)
/*
* Flags passed to show_mem() and show_free_areas() to suppress output in
* various contexts.
*/
#define SHOW_MEM_FILTER_NODES (0x0001u) /* disallowed nodes */
extern void show_free_areas(unsigned int flags, nodemask_t *nodemask);
extern bool can_do_mlock(void);
extern int user_shm_lock(size_t, struct user_struct *);
extern void user_shm_unlock(size_t, struct user_struct *);
/*
* Parameter block passed down to zap_pte_range in exceptional cases.
*/
struct zap_details {
struct address_space *check_mapping; /* Check page->mapping if set */
pgoff_t first_index; /* Lowest page->index to unmap */
pgoff_t last_index; /* Highest page->index to unmap */
};
struct page *_vm_normal_page(struct vm_area_struct *vma, unsigned long addr,
pte_t pte, bool with_public_device);
#define vm_normal_page(vma, addr, pte) _vm_normal_page(vma, addr, pte, false)
struct page *vm_normal_page_pmd(struct vm_area_struct *vma, unsigned long addr,
pmd_t pmd);
int zap_vma_ptes(struct vm_area_struct *vma, unsigned long address,
unsigned long size);
void zap_page_range(struct vm_area_struct *vma, unsigned long address,
unsigned long size);
void unmap_vmas(struct mmu_gather *tlb, struct vm_area_struct *start_vma,
unsigned long start, unsigned long end);
/**
* mm_walk - callbacks for walk_page_range
* @pud_entry: if set, called for each non-empty PUD (2nd-level) entry
* this handler should only handle pud_trans_huge() puds.
* the pmd_entry or pte_entry callbacks will be used for
* regular PUDs.
* @pmd_entry: if set, called for each non-empty PMD (3rd-level) entry
* this handler is required to be able to handle
* pmd_trans_huge() pmds. They may simply choose to
* split_huge_page() instead of handling it explicitly.
* @pte_entry: if set, called for each non-empty PTE (4th-level) entry
* @pte_hole: if set, called for each hole at all levels
* @hugetlb_entry: if set, called for each hugetlb entry
* @test_walk: caller specific callback function to determine whether
* we walk over the current vma or not. Returning 0
* value means "do page table walk over the current vma,"
* and a negative one means "abort current page table walk
* right now." 1 means "skip the current vma."
* @mm: mm_struct representing the target process of page table walk
* @vma: vma currently walked (NULL if walking outside vmas)
* @private: private data for callbacks' usage
*
* (see the comment on walk_page_range() for more details)
*/
struct mm_walk {
int (*pud_entry)(pud_t *pud, unsigned long addr,
unsigned long next, struct mm_walk *walk);
int (*pmd_entry)(pmd_t *pmd, unsigned long addr,
unsigned long next, struct mm_walk *walk);
int (*pte_entry)(pte_t *pte, unsigned long addr,
unsigned long next, struct mm_walk *walk);
int (*pte_hole)(unsigned long addr, unsigned long next,
struct mm_walk *walk);
int (*hugetlb_entry)(pte_t *pte, unsigned long hmask,
unsigned long addr, unsigned long next,
struct mm_walk *walk);
int (*test_walk)(unsigned long addr, unsigned long next,
struct mm_walk *walk);
struct mm_struct *mm;
struct vm_area_struct *vma;
void *private;
};
int walk_page_range(unsigned long addr, unsigned long end,
struct mm_walk *walk);
int walk_page_vma(struct vm_area_struct *vma, struct mm_walk *walk);
void free_pgd_range(struct mmu_gather *tlb, unsigned long addr,
unsigned long end, unsigned long floor, unsigned long ceiling);
int copy_page_range(struct mm_struct *dst, struct mm_struct *src,
struct vm_area_struct *vma);
void unmap_mapping_range(struct address_space *mapping,
loff_t const holebegin, loff_t const holelen, int even_cows);
int follow_pte_pmd(struct mm_struct *mm, unsigned long address,
unsigned long *start, unsigned long *end,
pte_t **ptepp, pmd_t **pmdpp, spinlock_t **ptlp);
int follow_pfn(struct vm_area_struct *vma, unsigned long address,
unsigned long *pfn);
int follow_phys(struct vm_area_struct *vma, unsigned long address,
unsigned int flags, unsigned long *prot, resource_size_t *phys);
int generic_access_phys(struct vm_area_struct *vma, unsigned long addr,
void *buf, int len, int write);
static inline void unmap_shared_mapping_range(struct address_space *mapping,
loff_t const holebegin, loff_t const holelen)
{
unmap_mapping_range(mapping, holebegin, holelen, 0);
}
extern void truncate_pagecache(struct inode *inode, loff_t new);
extern void truncate_setsize(struct inode *inode, loff_t newsize);
void pagecache_isize_extended(struct inode *inode, loff_t from, loff_t to);
void truncate_pagecache_range(struct inode *inode, loff_t offset, loff_t end);
int truncate_inode_page(struct address_space *mapping, struct page *page);
int generic_error_remove_page(struct address_space *mapping, struct page *page);
int invalidate_inode_page(struct page *page);
#ifdef CONFIG_MMU
extern int handle_mm_fault(struct vm_area_struct *vma, unsigned long address,
unsigned int flags);
extern int fixup_user_fault(struct task_struct *tsk, struct mm_struct *mm,
unsigned long address, unsigned int fault_flags,
bool *unlocked);
#else
static inline int handle_mm_fault(struct vm_area_struct *vma,
unsigned long address, unsigned int flags)
{
/* should never happen if there's no MMU */
BUG();
return VM_FAULT_SIGBUS;
}
static inline int fixup_user_fault(struct task_struct *tsk,
struct mm_struct *mm, unsigned long address,
unsigned int fault_flags, bool *unlocked)
{
/* should never happen if there's no MMU */
BUG();
return -EFAULT;
}
#endif
extern void vma_do_file_update_time(struct vm_area_struct *, const char[], int);
extern struct file *vma_do_pr_or_file(struct vm_area_struct *, const char[],
int);
extern void vma_do_get_file(struct vm_area_struct *, const char[], int);
extern void vma_do_fput(struct vm_area_struct *, const char[], int);
#define vma_file_update_time(vma) vma_do_file_update_time(vma, __func__, \
__LINE__)
#define vma_pr_or_file(vma) vma_do_pr_or_file(vma, __func__, \
__LINE__)
#define vma_get_file(vma) vma_do_get_file(vma, __func__, __LINE__)
#define vma_fput(vma) vma_do_fput(vma, __func__, __LINE__)
#ifndef CONFIG_MMU
extern struct file *vmr_do_pr_or_file(struct vm_region *, const char[], int);
extern void vmr_do_fput(struct vm_region *, const char[], int);
#define vmr_pr_or_file(region) vmr_do_pr_or_file(region, __func__, \
__LINE__)
#define vmr_fput(region) vmr_do_fput(region, __func__, __LINE__)
#endif /* !CONFIG_MMU */
extern int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, int len,
unsigned int gup_flags);
extern int access_remote_vm(struct mm_struct *mm, unsigned long addr,
void *buf, int len, unsigned int gup_flags);
extern int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm,
unsigned long addr, void *buf, int len, unsigned int gup_flags);
long get_user_pages_remote(struct task_struct *tsk, struct mm_struct *mm,
unsigned long start, unsigned long nr_pages,
unsigned int gup_flags, struct page **pages,
struct vm_area_struct **vmas, int *locked);
long get_user_pages(unsigned long start, unsigned long nr_pages,
unsigned int gup_flags, struct page **pages,
struct vm_area_struct **vmas);
long get_user_pages_locked(unsigned long start, unsigned long nr_pages,
unsigned int gup_flags, struct page **pages, int *locked);
long get_user_pages_unlocked(unsigned long start, unsigned long nr_pages,
struct page **pages, unsigned int gup_flags);
#ifdef CONFIG_FS_DAX
long get_user_pages_longterm(unsigned long start, unsigned long nr_pages,
unsigned int gup_flags, struct page **pages,
struct vm_area_struct **vmas);
#else
static inline long get_user_pages_longterm(unsigned long start,
unsigned long nr_pages, unsigned int gup_flags,
struct page **pages, struct vm_area_struct **vmas)
{
return get_user_pages(start, nr_pages, gup_flags, pages, vmas);
}
#endif /* CONFIG_FS_DAX */
int get_user_pages_fast(unsigned long start, int nr_pages, int write,
struct page **pages);
/* Container for pinned pfns / pages */
struct frame_vector {
unsigned int nr_allocated; /* Number of frames we have space for */
unsigned int nr_frames; /* Number of frames stored in ptrs array */
bool got_ref; /* Did we pin pages by getting page ref? */
bool is_pfns; /* Does array contain pages or pfns? */
void *ptrs[0]; /* Array of pinned pfns / pages. Use
* pfns_vector_pages() or pfns_vector_pfns()
* for access */
};
struct frame_vector *frame_vector_create(unsigned int nr_frames);
void frame_vector_destroy(struct frame_vector *vec);
int get_vaddr_frames(unsigned long start, unsigned int nr_pfns,
unsigned int gup_flags, struct frame_vector *vec);
void put_vaddr_frames(struct frame_vector *vec);
int frame_vector_to_pages(struct frame_vector *vec);
void frame_vector_to_pfns(struct frame_vector *vec);
static inline unsigned int frame_vector_count(struct frame_vector *vec)
{
return vec->nr_frames;
}
static inline struct page **frame_vector_pages(struct frame_vector *vec)
{
if (vec->is_pfns) {
int err = frame_vector_to_pages(vec);
if (err)
return ERR_PTR(err);
}
return (struct page **)(vec->ptrs);
}
static inline unsigned long *frame_vector_pfns(struct frame_vector *vec)
{
if (!vec->is_pfns)
frame_vector_to_pfns(vec);
return (unsigned long *)(vec->ptrs);
}
struct kvec;
int get_kernel_pages(const struct kvec *iov, int nr_pages, int write,
struct page **pages);
int get_kernel_page(unsigned long start, int write, struct page **pages);
struct page *get_dump_page(unsigned long addr);
extern int try_to_release_page(struct page * page, gfp_t gfp_mask);
extern void do_invalidatepage(struct page *page, unsigned int offset,
unsigned int length);
int __set_page_dirty_nobuffers(struct page *page);
int __set_page_dirty_no_writeback(struct page *page);
int redirty_page_for_writepage(struct writeback_control *wbc,
struct page *page);
void account_page_dirtied(struct page *page, struct address_space *mapping);
void account_page_cleaned(struct page *page, struct address_space *mapping,
struct bdi_writeback *wb);
int set_page_dirty(struct page *page);
int set_page_dirty_lock(struct page *page);
void __cancel_dirty_page(struct page *page);
static inline void cancel_dirty_page(struct page *page)
{
/* Avoid atomic ops, locking, etc. when not actually needed. */
if (PageDirty(page))
__cancel_dirty_page(page);
}
int clear_page_dirty_for_io(struct page *page);
int get_cmdline(struct task_struct *task, char *buffer, int buflen);
static inline bool vma_is_anonymous(struct vm_area_struct *vma)
{
return !vma->vm_ops;
}
#ifdef CONFIG_SHMEM
/*
* The vma_is_shmem is not inline because it is used only by slow
* paths in userfault.
*/
bool vma_is_shmem(struct vm_area_struct *vma);
#else
static inline bool vma_is_shmem(struct vm_area_struct *vma) { return false; }
#endif
int vma_is_stack_for_current(struct vm_area_struct *vma);
extern unsigned long move_page_tables(struct vm_area_struct *vma,
unsigned long old_addr, struct vm_area_struct *new_vma,
unsigned long new_addr, unsigned long len,
bool need_rmap_locks);
extern unsigned long change_protection(struct vm_area_struct *vma, unsigned long start,
unsigned long end, pgprot_t newprot,
int dirty_accountable, int prot_numa);
extern int mprotect_fixup(struct vm_area_struct *vma,
struct vm_area_struct **pprev, unsigned long start,
unsigned long end, unsigned long newflags);
/*
* doesn't attempt to fault and will return short.
*/
int __get_user_pages_fast(unsigned long start, int nr_pages, int write,
struct page **pages);
/*
* per-process(per-mm_struct) statistics.
*/
static inline unsigned long get_mm_counter(struct mm_struct *mm, int member)
{
long val = atomic_long_read(&mm->rss_stat.count[member]);
#ifdef SPLIT_RSS_COUNTING
/*
* counter is updated in asynchronous manner and may go to minus.
* But it's never be expected number for users.
*/
if (val < 0)
val = 0;
#endif
return (unsigned long)val;
}
static inline void add_mm_counter(struct mm_struct *mm, int member, long value)
{
atomic_long_add(value, &mm->rss_stat.count[member]);
}
static inline void inc_mm_counter(struct mm_struct *mm, int member)
{
atomic_long_inc(&mm->rss_stat.count[member]);
}
static inline void dec_mm_counter(struct mm_struct *mm, int member)
{
atomic_long_dec(&mm->rss_stat.count[member]);
}
/* Optimized variant when page is already known not to be PageAnon */
static inline int mm_counter_file(struct page *page)
{
if (PageSwapBacked(page))
return MM_SHMEMPAGES;
return MM_FILEPAGES;
}
static inline int mm_counter(struct page *page)
{
if (PageAnon(page))
return MM_ANONPAGES;
return mm_counter_file(page);
}
static inline unsigned long get_mm_rss(struct mm_struct *mm)
{
return get_mm_counter(mm, MM_FILEPAGES) +
get_mm_counter(mm, MM_ANONPAGES) +
get_mm_counter(mm, MM_SHMEMPAGES);
}
static inline unsigned long get_mm_hiwater_rss(struct mm_struct *mm)
{
return max(mm->hiwater_rss, get_mm_rss(mm));
}
static inline unsigned long get_mm_hiwater_vm(struct mm_struct *mm)
{
return max(mm->hiwater_vm, mm->total_vm);
}
static inline void update_hiwater_rss(struct mm_struct *mm)
{
unsigned long _rss = get_mm_rss(mm);
if ((mm)->hiwater_rss < _rss)
(mm)->hiwater_rss = _rss;
}
static inline void update_hiwater_vm(struct mm_struct *mm)
{
if (mm->hiwater_vm < mm->total_vm)
mm->hiwater_vm = mm->total_vm;
}
static inline void reset_mm_hiwater_rss(struct mm_struct *mm)
{
mm->hiwater_rss = get_mm_rss(mm);
}
static inline void setmax_mm_hiwater_rss(unsigned long *maxrss,
struct mm_struct *mm)
{
unsigned long hiwater_rss = get_mm_hiwater_rss(mm);
if (*maxrss < hiwater_rss)
*maxrss = hiwater_rss;
}
#if defined(SPLIT_RSS_COUNTING)
void sync_mm_rss(struct mm_struct *mm);
#else
static inline void sync_mm_rss(struct mm_struct *mm)
{
}
#endif
#ifndef __HAVE_ARCH_PTE_DEVMAP
static inline int pte_devmap(pte_t pte)
{
return 0;
}
#endif
int vma_wants_writenotify(struct vm_area_struct *vma, pgprot_t vm_page_prot);
extern pte_t *__get_locked_pte(struct mm_struct *mm, unsigned long addr,
spinlock_t **ptl);
static inline pte_t *get_locked_pte(struct mm_struct *mm, unsigned long addr,
spinlock_t **ptl)
{
pte_t *ptep;
__cond_lock(*ptl, ptep = __get_locked_pte(mm, addr, ptl));
return ptep;
}
#ifdef __PAGETABLE_P4D_FOLDED
static inline int __p4d_alloc(struct mm_struct *mm, pgd_t *pgd,
unsigned long address)
{
return 0;
}
#else
int __p4d_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address);
#endif
#if defined(__PAGETABLE_PUD_FOLDED) || !defined(CONFIG_MMU)
static inline int __pud_alloc(struct mm_struct *mm, p4d_t *p4d,
unsigned long address)
{
return 0;
}
static inline void mm_inc_nr_puds(struct mm_struct *mm) {}
static inline void mm_dec_nr_puds(struct mm_struct *mm) {}
#else
int __pud_alloc(struct mm_struct *mm, p4d_t *p4d, unsigned long address);
static inline void mm_inc_nr_puds(struct mm_struct *mm)
{
if (mm_pud_folded(mm))
return;
atomic_long_add(PTRS_PER_PUD * sizeof(pud_t), &mm->pgtables_bytes);
}
static inline void mm_dec_nr_puds(struct mm_struct *mm)
{
if (mm_pud_folded(mm))
return;
atomic_long_sub(PTRS_PER_PUD * sizeof(pud_t), &mm->pgtables_bytes);
}
#endif
#if defined(__PAGETABLE_PMD_FOLDED) || !defined(CONFIG_MMU)
static inline int __pmd_alloc(struct mm_struct *mm, pud_t *pud,
unsigned long address)
{
return 0;
}
static inline void mm_inc_nr_pmds(struct mm_struct *mm) {}
static inline void mm_dec_nr_pmds(struct mm_struct *mm) {}
#else
int __pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address);
static inline void mm_inc_nr_pmds(struct mm_struct *mm)
{
if (mm_pmd_folded(mm))
return;
atomic_long_add(PTRS_PER_PMD * sizeof(pmd_t), &mm->pgtables_bytes);
}
static inline void mm_dec_nr_pmds(struct mm_struct *mm)
{
if (mm_pmd_folded(mm))
return;
atomic_long_sub(PTRS_PER_PMD * sizeof(pmd_t), &mm->pgtables_bytes);
}
#endif
#ifdef CONFIG_MMU
static inline void mm_pgtables_bytes_init(struct mm_struct *mm)
{
atomic_long_set(&mm->pgtables_bytes, 0);
}
static inline unsigned long mm_pgtables_bytes(const struct mm_struct *mm)
{
return atomic_long_read(&mm->pgtables_bytes);
}
static inline void mm_inc_nr_ptes(struct mm_struct *mm)
{
atomic_long_add(PTRS_PER_PTE * sizeof(pte_t), &mm->pgtables_bytes);
}
static inline void mm_dec_nr_ptes(struct mm_struct *mm)
{
atomic_long_sub(PTRS_PER_PTE * sizeof(pte_t), &mm->pgtables_bytes);
}
#else
static inline void mm_pgtables_bytes_init(struct mm_struct *mm) {}
static inline unsigned long mm_pgtables_bytes(const struct mm_struct *mm)
{
return 0;
}
static inline void mm_inc_nr_ptes(struct mm_struct *mm) {}
static inline void mm_dec_nr_ptes(struct mm_struct *mm) {}
#endif
int __pte_alloc(struct mm_struct *mm, pmd_t *pmd, unsigned long address);
int __pte_alloc_kernel(pmd_t *pmd, unsigned long address);
/*
* The following ifdef needed to get the 4level-fixup.h header to work.
* Remove it when 4level-fixup.h has been removed.
*/
#if defined(CONFIG_MMU) && !defined(__ARCH_HAS_4LEVEL_HACK)
#ifndef __ARCH_HAS_5LEVEL_HACK
static inline p4d_t *p4d_alloc(struct mm_struct *mm, pgd_t *pgd,
unsigned long address)
{
return (unlikely(pgd_none(*pgd)) && __p4d_alloc(mm, pgd, address)) ?
NULL : p4d_offset(pgd, address);
}
static inline pud_t *pud_alloc(struct mm_struct *mm, p4d_t *p4d,
unsigned long address)
{
return (unlikely(p4d_none(*p4d)) && __pud_alloc(mm, p4d, address)) ?
NULL : pud_offset(p4d, address);
}
#endif /* !__ARCH_HAS_5LEVEL_HACK */
static inline pmd_t *pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address)
{
return (unlikely(pud_none(*pud)) && __pmd_alloc(mm, pud, address))?
NULL: pmd_offset(pud, address);
}
#endif /* CONFIG_MMU && !__ARCH_HAS_4LEVEL_HACK */
#if USE_SPLIT_PTE_PTLOCKS
#if ALLOC_SPLIT_PTLOCKS
void __init ptlock_cache_init(void);
extern bool ptlock_alloc(struct page *page);
extern void ptlock_free(struct page *page);
static inline spinlock_t *ptlock_ptr(struct page *page)
{
return page->ptl;
}
#else /* ALLOC_SPLIT_PTLOCKS */
static inline void ptlock_cache_init(void)
{
}
static inline bool ptlock_alloc(struct page *page)
{
return true;
}
static inline void ptlock_free(struct page *page)
{
}
static inline spinlock_t *ptlock_ptr(struct page *page)
{
return &page->ptl;
}
#endif /* ALLOC_SPLIT_PTLOCKS */
static inline spinlock_t *pte_lockptr(struct mm_struct *mm, pmd_t *pmd)
{
return ptlock_ptr(pmd_page(*pmd));
}
static inline bool ptlock_init(struct page *page)
{
/*
* prep_new_page() initialize page->private (and therefore page->ptl)
* with 0. Make sure nobody took it in use in between.
*
* It can happen if arch try to use slab for page table allocation:
* slab code uses page->slab_cache, which share storage with page->ptl.
*/
VM_BUG_ON_PAGE(*(unsigned long *)&page->ptl, page);
if (!ptlock_alloc(page))
return false;
spin_lock_init(ptlock_ptr(page));
return true;
}
/* Reset page->mapping so free_pages_check won't complain. */
static inline void pte_lock_deinit(struct page *page)
{
page->mapping = NULL;
ptlock_free(page);
}
#else /* !USE_SPLIT_PTE_PTLOCKS */
/*
* We use mm->page_table_lock to guard all pagetable pages of the mm.
*/
static inline spinlock_t *pte_lockptr(struct mm_struct *mm, pmd_t *pmd)
{
return &mm->page_table_lock;
}
static inline void ptlock_cache_init(void) {}
static inline bool ptlock_init(struct page *page) { return true; }
static inline void pte_lock_deinit(struct page *page) {}
#endif /* USE_SPLIT_PTE_PTLOCKS */
static inline void pgtable_init(void)
{
ptlock_cache_init();
pgtable_cache_init();
}
static inline bool pgtable_page_ctor(struct page *page)
{
if (!ptlock_init(page))
return false;
inc_zone_page_state(page, NR_PAGETABLE);
return true;
}
static inline void pgtable_page_dtor(struct page *page)
{
pte_lock_deinit(page);
dec_zone_page_state(page, NR_PAGETABLE);
}
#define pte_offset_map_lock(mm, pmd, address, ptlp) \
({ \
spinlock_t *__ptl = pte_lockptr(mm, pmd); \
pte_t *__pte = pte_offset_map(pmd, address); \
*(ptlp) = __ptl; \
spin_lock(__ptl); \
__pte; \
})
#define pte_unmap_unlock(pte, ptl) do { \
spin_unlock(ptl); \
pte_unmap(pte); \
} while (0)
#define pte_alloc(mm, pmd, address) \
(unlikely(pmd_none(*(pmd))) && __pte_alloc(mm, pmd, address))
#define pte_alloc_map(mm, pmd, address) \
(pte_alloc(mm, pmd, address) ? NULL : pte_offset_map(pmd, address))
#define pte_alloc_map_lock(mm, pmd, address, ptlp) \
(pte_alloc(mm, pmd, address) ? \
NULL : pte_offset_map_lock(mm, pmd, address, ptlp))
#define pte_alloc_kernel(pmd, address) \
((unlikely(pmd_none(*(pmd))) && __pte_alloc_kernel(pmd, address))? \
NULL: pte_offset_kernel(pmd, address))
#if USE_SPLIT_PMD_PTLOCKS
static struct page *pmd_to_page(pmd_t *pmd)
{
unsigned long mask = ~(PTRS_PER_PMD * sizeof(pmd_t) - 1);
return virt_to_page((void *)((unsigned long) pmd & mask));
}
static inline spinlock_t *pmd_lockptr(struct mm_struct *mm, pmd_t *pmd)
{
return ptlock_ptr(pmd_to_page(pmd));
}
static inline bool pgtable_pmd_page_ctor(struct page *page)
{
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
page->pmd_huge_pte = NULL;
#endif
return ptlock_init(page);
}
static inline void pgtable_pmd_page_dtor(struct page *page)
{
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
VM_BUG_ON_PAGE(page->pmd_huge_pte, page);
#endif
ptlock_free(page);
}
#define pmd_huge_pte(mm, pmd) (pmd_to_page(pmd)->pmd_huge_pte)
#else
static inline spinlock_t *pmd_lockptr(struct mm_struct *mm, pmd_t *pmd)
{
return &mm->page_table_lock;
}
static inline bool pgtable_pmd_page_ctor(struct page *page) { return true; }
static inline void pgtable_pmd_page_dtor(struct page *page) {}
#define pmd_huge_pte(mm, pmd) ((mm)->pmd_huge_pte)
#endif
static inline spinlock_t *pmd_lock(struct mm_struct *mm, pmd_t *pmd)
{
spinlock_t *ptl = pmd_lockptr(mm, pmd);
spin_lock(ptl);
return ptl;
}
/*
* No scalability reason to split PUD locks yet, but follow the same pattern
* as the PMD locks to make it easier if we decide to. The VM should not be
* considered ready to switch to split PUD locks yet; there may be places
* which need to be converted from page_table_lock.
*/
static inline spinlock_t *pud_lockptr(struct mm_struct *mm, pud_t *pud)
{
return &mm->page_table_lock;
}
static inline spinlock_t *pud_lock(struct mm_struct *mm, pud_t *pud)
{
spinlock_t *ptl = pud_lockptr(mm, pud);
spin_lock(ptl);
return ptl;
}
extern void __init pagecache_init(void);
extern void free_area_init(unsigned long * zones_size);
extern void free_area_init_node(int nid, unsigned long * zones_size,
unsigned long zone_start_pfn, unsigned long *zholes_size);
extern void free_initmem(void);
/*
* Free reserved pages within range [PAGE_ALIGN(start), end & PAGE_MASK)
* into the buddy system. The freed pages will be poisoned with pattern
* "poison" if it's within range [0, UCHAR_MAX].
* Return pages freed into the buddy system.
*/
extern unsigned long free_reserved_area(void *start, void *end,
int poison, char *s);
#ifdef CONFIG_HIGHMEM
/*
* Free a highmem page into the buddy system, adjusting totalhigh_pages
* and totalram_pages.
*/
extern void free_highmem_page(struct page *page);
#endif
extern void adjust_managed_page_count(struct page *page, long count);
extern void mem_init_print_info(const char *str);
extern void reserve_bootmem_region(phys_addr_t start, phys_addr_t end);
/* Free the reserved page into the buddy system, so it gets managed. */
static inline void __free_reserved_page(struct page *page)
{
ClearPageReserved(page);
init_page_count(page);
__free_page(page);
}
static inline void free_reserved_page(struct page *page)
{
__free_reserved_page(page);
adjust_managed_page_count(page, 1);
}
static inline void mark_page_reserved(struct page *page)
{
SetPageReserved(page);
adjust_managed_page_count(page, -1);
}
/*
* Default method to free all the __init memory into the buddy system.
* The freed pages will be poisoned with pattern "poison" if it's within
* range [0, UCHAR_MAX].
* Return pages freed into the buddy system.
*/
static inline unsigned long free_initmem_default(int poison)
{
extern char __init_begin[], __init_end[];
return free_reserved_area(&__init_begin, &__init_end,
poison, "unused kernel");
}
static inline unsigned long get_num_physpages(void)
{
int nid;
unsigned long phys_pages = 0;
for_each_online_node(nid)
phys_pages += node_present_pages(nid);
return phys_pages;
}
#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
/*
* With CONFIG_HAVE_MEMBLOCK_NODE_MAP set, an architecture may initialise its
* zones, allocate the backing mem_map and account for memory holes in a more
* architecture independent manner. This is a substitute for creating the
* zone_sizes[] and zholes_size[] arrays and passing them to
* free_area_init_node()
*
* An architecture is expected to register range of page frames backed by
* physical memory with memblock_add[_node]() before calling
* free_area_init_nodes() passing in the PFN each zone ends at. At a basic
* usage, an architecture is expected to do something like
*
* unsigned long max_zone_pfns[MAX_NR_ZONES] = {max_dma, max_normal_pfn,
* max_highmem_pfn};
* for_each_valid_physical_page_range()
* memblock_add_node(base, size, nid)
* free_area_init_nodes(max_zone_pfns);
*
* free_bootmem_with_active_regions() calls free_bootmem_node() for each
* registered physical page range. Similarly
* sparse_memory_present_with_active_regions() calls memory_present() for
* each range when SPARSEMEM is enabled.
*
* See mm/page_alloc.c for more information on each function exposed by
* CONFIG_HAVE_MEMBLOCK_NODE_MAP.
*/
extern void free_area_init_nodes(unsigned long *max_zone_pfn);
unsigned long node_map_pfn_alignment(void);
unsigned long __absent_pages_in_range(int nid, unsigned long start_pfn,
unsigned long end_pfn);
extern unsigned long absent_pages_in_range(unsigned long start_pfn,
unsigned long end_pfn);
extern void get_pfn_range_for_nid(unsigned int nid,
unsigned long *start_pfn, unsigned long *end_pfn);
extern unsigned long find_min_pfn_with_active_regions(void);
extern void free_bootmem_with_active_regions(int nid,
unsigned long max_low_pfn);
extern void sparse_memory_present_with_active_regions(int nid);
#endif /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */
#if !defined(CONFIG_HAVE_MEMBLOCK_NODE_MAP) && \
!defined(CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID)
static inline int __early_pfn_to_nid(unsigned long pfn,
struct mminit_pfnnid_cache *state)
{
return 0;
}
#else
/* please see mm/page_alloc.c */
extern int __meminit early_pfn_to_nid(unsigned long pfn);
/* there is a per-arch backend function. */
extern int __meminit __early_pfn_to_nid(unsigned long pfn,
struct mminit_pfnnid_cache *state);
#endif
#if defined(CONFIG_HAVE_MEMBLOCK) && !defined(CONFIG_FLAT_NODE_MEM_MAP)
void zero_resv_unavail(void);
#else
static inline void zero_resv_unavail(void) {}
#endif
extern void set_dma_reserve(unsigned long new_dma_reserve);
extern void memmap_init_zone(unsigned long, int, unsigned long,
unsigned long, enum memmap_context);
extern void setup_per_zone_wmarks(void);
extern int __meminit init_per_zone_wmark_min(void);
extern void mem_init(void);
extern void __init mmap_init(void);
extern void show_mem(unsigned int flags, nodemask_t *nodemask);
extern long si_mem_available(void);
extern void si_meminfo(struct sysinfo * val);
extern void si_meminfo_node(struct sysinfo *val, int nid);
#ifdef __HAVE_ARCH_RESERVED_KERNEL_PAGES
extern unsigned long arch_reserved_kernel_pages(void);
#endif
extern __printf(3, 4)
void warn_alloc(gfp_t gfp_mask, nodemask_t *nodemask, const char *fmt, ...);
extern void setup_per_cpu_pageset(void);
extern void zone_pcp_update(struct zone *zone);
extern void zone_pcp_reset(struct zone *zone);
/* page_alloc.c */
extern int min_free_kbytes;
extern int watermark_scale_factor;
/* nommu.c */
extern atomic_long_t mmap_pages_allocated;
extern int nommu_shrink_inode_mappings(struct inode *, size_t, size_t);
/* interval_tree.c */
void vma_interval_tree_insert(struct vm_area_struct *node,
struct rb_root_cached *root);
void vma_interval_tree_insert_after(struct vm_area_struct *node,
struct vm_area_struct *prev,
struct rb_root_cached *root);
void vma_interval_tree_remove(struct vm_area_struct *node,
struct rb_root_cached *root);
struct vm_area_struct *vma_interval_tree_iter_first(struct rb_root_cached *root,
unsigned long start, unsigned long last);
struct vm_area_struct *vma_interval_tree_iter_next(struct vm_area_struct *node,
unsigned long start, unsigned long last);
#define vma_interval_tree_foreach(vma, root, start, last) \
for (vma = vma_interval_tree_iter_first(root, start, last); \
vma; vma = vma_interval_tree_iter_next(vma, start, last))
void anon_vma_interval_tree_insert(struct anon_vma_chain *node,
struct rb_root_cached *root);
void anon_vma_interval_tree_remove(struct anon_vma_chain *node,
struct rb_root_cached *root);
struct anon_vma_chain *
anon_vma_interval_tree_iter_first(struct rb_root_cached *root,
unsigned long start, unsigned long last);
struct anon_vma_chain *anon_vma_interval_tree_iter_next(
struct anon_vma_chain *node, unsigned long start, unsigned long last);
#ifdef CONFIG_DEBUG_VM_RB
void anon_vma_interval_tree_verify(struct anon_vma_chain *node);
#endif
#define anon_vma_interval_tree_foreach(avc, root, start, last) \
for (avc = anon_vma_interval_tree_iter_first(root, start, last); \
avc; avc = anon_vma_interval_tree_iter_next(avc, start, last))
/* mmap.c */
extern int __vm_enough_memory(struct mm_struct *mm, long pages, int cap_sys_admin);
extern int __vma_adjust(struct vm_area_struct *vma, unsigned long start,
unsigned long end, pgoff_t pgoff, struct vm_area_struct *insert,
struct vm_area_struct *expand);
static inline int vma_adjust(struct vm_area_struct *vma, unsigned long start,
unsigned long end, pgoff_t pgoff, struct vm_area_struct *insert)
{
return __vma_adjust(vma, start, end, pgoff, insert, NULL);
}
extern struct vm_area_struct *vma_merge(struct mm_struct *,
struct vm_area_struct *prev, unsigned long addr, unsigned long end,
unsigned long vm_flags, struct anon_vma *, struct file *, pgoff_t,
struct mempolicy *, struct vm_userfaultfd_ctx);
extern struct anon_vma *find_mergeable_anon_vma(struct vm_area_struct *);
extern int __split_vma(struct mm_struct *, struct vm_area_struct *,
unsigned long addr, int new_below);
extern int split_vma(struct mm_struct *, struct vm_area_struct *,
unsigned long addr, int new_below);
extern int insert_vm_struct(struct mm_struct *, struct vm_area_struct *);
extern void __vma_link_rb(struct mm_struct *, struct vm_area_struct *,
struct rb_node **, struct rb_node *);
extern void unlink_file_vma(struct vm_area_struct *);
extern struct vm_area_struct *copy_vma(struct vm_area_struct **,
unsigned long addr, unsigned long len, pgoff_t pgoff,
bool *need_rmap_locks);
extern void exit_mmap(struct mm_struct *);
static inline int check_data_rlimit(unsigned long rlim,
unsigned long new,
unsigned long start,
unsigned long end_data,
unsigned long start_data)
{
if (rlim < RLIM_INFINITY) {
if (((new - start) + (end_data - start_data)) > rlim)
return -ENOSPC;
}
return 0;
}
extern int mm_take_all_locks(struct mm_struct *mm);
extern void mm_drop_all_locks(struct mm_struct *mm);
extern void set_mm_exe_file(struct mm_struct *mm, struct file *new_exe_file);
extern struct file *get_mm_exe_file(struct mm_struct *mm);
extern struct file *get_task_exe_file(struct task_struct *task);
extern bool may_expand_vm(struct mm_struct *, vm_flags_t, unsigned long npages);
extern void vm_stat_account(struct mm_struct *, vm_flags_t, long npages);
extern bool vma_is_special_mapping(const struct vm_area_struct *vma,
const struct vm_special_mapping *sm);
extern struct vm_area_struct *_install_special_mapping(struct mm_struct *mm,
unsigned long addr, unsigned long len,
unsigned long flags,
const struct vm_special_mapping *spec);
/* This is an obsolete alternative to _install_special_mapping. */
extern int install_special_mapping(struct mm_struct *mm,
unsigned long addr, unsigned long len,
unsigned long flags, struct page **pages);
unsigned long randomize_page(unsigned long start, unsigned long range);
extern unsigned long get_unmapped_area(struct file *, unsigned long, unsigned long, unsigned long, unsigned long);
extern unsigned long mmap_region(struct file *file, unsigned long addr,
unsigned long len, vm_flags_t vm_flags, unsigned long pgoff,
struct list_head *uf);
extern unsigned long do_mmap(struct file *file, unsigned long addr,
unsigned long len, unsigned long prot, unsigned long flags,
vm_flags_t vm_flags, unsigned long pgoff, unsigned long *populate,
struct list_head *uf);
extern int do_munmap(struct mm_struct *, unsigned long, size_t,
struct list_head *uf);
static inline unsigned long
do_mmap_pgoff(struct file *file, unsigned long addr,
unsigned long len, unsigned long prot, unsigned long flags,
unsigned long pgoff, unsigned long *populate,
struct list_head *uf)
{
return do_mmap(file, addr, len, prot, flags, 0, pgoff, populate, uf);
}
#ifdef CONFIG_MMU
extern int __mm_populate(unsigned long addr, unsigned long len,
int ignore_errors);
static inline void mm_populate(unsigned long addr, unsigned long len)
{
/* Ignore errors */
(void) __mm_populate(addr, len, 1);
}
#else
static inline void mm_populate(unsigned long addr, unsigned long len) {}
#endif
/* These take the mm semaphore themselves */
extern int __must_check vm_brk(unsigned long, unsigned long);
extern int __must_check vm_brk_flags(unsigned long, unsigned long, unsigned long);
extern int vm_munmap(unsigned long, size_t);
extern unsigned long __must_check vm_mmap(struct file *, unsigned long,
unsigned long, unsigned long,
unsigned long, unsigned long);
struct vm_unmapped_area_info {
#define VM_UNMAPPED_AREA_TOPDOWN 1
unsigned long flags;
unsigned long length;
unsigned long low_limit;
unsigned long high_limit;
unsigned long align_mask;
unsigned long align_offset;
};
extern unsigned long unmapped_area(struct vm_unmapped_area_info *info);
extern unsigned long unmapped_area_topdown(struct vm_unmapped_area_info *info);
/*
* Search for an unmapped address range.
*
* We are looking for a range that:
* - does not intersect with any VMA;
* - is contained within the [low_limit, high_limit) interval;
* - is at least the desired size.
* - satisfies (begin_addr & align_mask) == (align_offset & align_mask)
*/
static inline unsigned long
vm_unmapped_area(struct vm_unmapped_area_info *info)
{
if (info->flags & VM_UNMAPPED_AREA_TOPDOWN)
return unmapped_area_topdown(info);
else
return unmapped_area(info);
}
/* truncate.c */
extern void truncate_inode_pages(struct address_space *, loff_t);
extern void truncate_inode_pages_range(struct address_space *,
loff_t lstart, loff_t lend);
extern void truncate_inode_pages_final(struct address_space *);
/* generic vm_area_ops exported for stackable file systems */
extern int filemap_fault(struct vm_fault *vmf);
extern void filemap_map_pages(struct vm_fault *vmf,
pgoff_t start_pgoff, pgoff_t end_pgoff);
extern int filemap_page_mkwrite(struct vm_fault *vmf);
/* mm/page-writeback.c */
int __must_check write_one_page(struct page *page);
void task_dirty_inc(struct task_struct *tsk);
/* readahead.c */
#define VM_MAX_READAHEAD 128 /* kbytes */
#define VM_MIN_READAHEAD 16 /* kbytes (includes current page) */
int force_page_cache_readahead(struct address_space *mapping, struct file *filp,
pgoff_t offset, unsigned long nr_to_read);
void page_cache_sync_readahead(struct address_space *mapping,
struct file_ra_state *ra,
struct file *filp,
pgoff_t offset,
unsigned long size);
void page_cache_async_readahead(struct address_space *mapping,
struct file_ra_state *ra,
struct file *filp,
struct page *pg,
pgoff_t offset,
unsigned long size);
extern unsigned long stack_guard_gap;
/* Generic expand stack which grows the stack according to GROWS{UP,DOWN} */
extern int expand_stack(struct vm_area_struct *vma, unsigned long address);
/* CONFIG_STACK_GROWSUP still needs to to grow downwards at some places */
extern int expand_downwards(struct vm_area_struct *vma,
unsigned long address);
#if VM_GROWSUP
extern int expand_upwards(struct vm_area_struct *vma, unsigned long address);
#else
#define expand_upwards(vma, address) (0)
#endif
/* Look up the first VMA which satisfies addr < vm_end, NULL if none. */
extern struct vm_area_struct * find_vma(struct mm_struct * mm, unsigned long addr);
extern struct vm_area_struct * find_vma_prev(struct mm_struct * mm, unsigned long addr,
struct vm_area_struct **pprev);
/* Look up the first VMA which intersects the interval start_addr..end_addr-1,
NULL if none. Assume start_addr < end_addr. */
static inline struct vm_area_struct * find_vma_intersection(struct mm_struct * mm, unsigned long start_addr, unsigned long end_addr)
{
struct vm_area_struct * vma = find_vma(mm,start_addr);
if (vma && end_addr <= vma->vm_start)
vma = NULL;
return vma;
}
static inline unsigned long vm_start_gap(struct vm_area_struct *vma)
{
unsigned long vm_start = vma->vm_start;
if (vma->vm_flags & VM_GROWSDOWN) {
vm_start -= stack_guard_gap;
if (vm_start > vma->vm_start)
vm_start = 0;
}
return vm_start;
}
static inline unsigned long vm_end_gap(struct vm_area_struct *vma)
{
unsigned long vm_end = vma->vm_end;
if (vma->vm_flags & VM_GROWSUP) {
vm_end += stack_guard_gap;
if (vm_end < vma->vm_end)
vm_end = -PAGE_SIZE;
}
return vm_end;
}
static inline unsigned long vma_pages(struct vm_area_struct *vma)
{
return (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
}
/* Look up the first VMA which exactly match the interval vm_start ... vm_end */
static inline struct vm_area_struct *find_exact_vma(struct mm_struct *mm,
unsigned long vm_start, unsigned long vm_end)
{
struct vm_area_struct *vma = find_vma(mm, vm_start);
if (vma && (vma->vm_start != vm_start || vma->vm_end != vm_end))
vma = NULL;
return vma;
}
static inline bool range_in_vma(struct vm_area_struct *vma,
unsigned long start, unsigned long end)
{
return (vma && vma->vm_start <= start && end <= vma->vm_end);
}
#ifdef CONFIG_MMU
pgprot_t vm_get_page_prot(unsigned long vm_flags);
void vma_set_page_prot(struct vm_area_struct *vma);
#else
static inline pgprot_t vm_get_page_prot(unsigned long vm_flags)
{
return __pgprot(0);
}
static inline void vma_set_page_prot(struct vm_area_struct *vma)
{
vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
}
#endif
#ifdef CONFIG_NUMA_BALANCING
unsigned long change_prot_numa(struct vm_area_struct *vma,
unsigned long start, unsigned long end);
#endif
struct vm_area_struct *find_extend_vma(struct mm_struct *, unsigned long addr);
int remap_pfn_range(struct vm_area_struct *, unsigned long addr,
unsigned long pfn, unsigned long size, pgprot_t);
int vm_insert_page(struct vm_area_struct *, unsigned long addr, struct page *);
int vm_insert_pfn(struct vm_area_struct *vma, unsigned long addr,
unsigned long pfn);
int vm_insert_pfn_prot(struct vm_area_struct *vma, unsigned long addr,
unsigned long pfn, pgprot_t pgprot);
int vm_insert_mixed(struct vm_area_struct *vma, unsigned long addr,
pfn_t pfn);
int vm_insert_mixed_mkwrite(struct vm_area_struct *vma, unsigned long addr,
pfn_t pfn);
int vm_iomap_memory(struct vm_area_struct *vma, phys_addr_t start, unsigned long len);
struct page *follow_page_mask(struct vm_area_struct *vma,
unsigned long address, unsigned int foll_flags,
unsigned int *page_mask);
static inline struct page *follow_page(struct vm_area_struct *vma,
unsigned long address, unsigned int foll_flags)
{
unsigned int unused_page_mask;
return follow_page_mask(vma, address, foll_flags, &unused_page_mask);
}
#define FOLL_WRITE 0x01 /* check pte is writable */
#define FOLL_TOUCH 0x02 /* mark page accessed */
#define FOLL_GET 0x04 /* do get_page on page */
#define FOLL_DUMP 0x08 /* give error on hole if it would be zero */
#define FOLL_FORCE 0x10 /* get_user_pages read/write w/o permission */
#define FOLL_NOWAIT 0x20 /* if a disk transfer is needed, start the IO
* and return without waiting upon it */
#define FOLL_POPULATE 0x40 /* fault in page */
#define FOLL_SPLIT 0x80 /* don't return transhuge pages, split them */
#define FOLL_HWPOISON 0x100 /* check page is hwpoisoned */
#define FOLL_NUMA 0x200 /* force NUMA hinting page fault */
#define FOLL_MIGRATION 0x400 /* wait for page to replace migration entry */
#define FOLL_TRIED 0x800 /* a retry, previous pass started an IO */
#define FOLL_MLOCK 0x1000 /* lock present pages */
#define FOLL_REMOTE 0x2000 /* we are working on non-current tsk/mm */
#define FOLL_COW 0x4000 /* internal GUP flag */
#define FOLL_ANON 0x8000 /* don't do file mappings */
static inline int vm_fault_to_errno(int vm_fault, int foll_flags)
{
if (vm_fault & VM_FAULT_OOM)
return -ENOMEM;
if (vm_fault & (VM_FAULT_HWPOISON | VM_FAULT_HWPOISON_LARGE))
return (foll_flags & FOLL_HWPOISON) ? -EHWPOISON : -EFAULT;
if (vm_fault & (VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV))
return -EFAULT;
return 0;
}
#ifndef io_remap_pfn_range
static inline int io_remap_pfn_range(struct vm_area_struct *vma,
unsigned long addr, unsigned long pfn,
unsigned long size, pgprot_t prot)
{
return remap_pfn_range(vma, addr, pfn, size, pgprot_decrypted(prot));
}
#endif
typedef int (*pte_fn_t)(pte_t *pte, pgtable_t token, unsigned long addr,
void *data);
extern int apply_to_page_range(struct mm_struct *mm, unsigned long address,
unsigned long size, pte_fn_t fn, void *data);
#ifdef CONFIG_PAGE_POISONING
extern bool page_poisoning_enabled(void);
extern void kernel_poison_pages(struct page *page, int numpages, int enable);
extern bool page_is_poisoned(struct page *page);
#else
static inline bool page_poisoning_enabled(void) { return false; }
static inline void kernel_poison_pages(struct page *page, int numpages,
int enable) { }
static inline bool page_is_poisoned(struct page *page) { return false; }
#endif
#ifdef CONFIG_DEBUG_PAGEALLOC
extern bool _debug_pagealloc_enabled;
extern void __kernel_map_pages(struct page *page, int numpages, int enable);
static inline bool debug_pagealloc_enabled(void)
{
return _debug_pagealloc_enabled;
}
static inline void
kernel_map_pages(struct page *page, int numpages, int enable)
{
if (!debug_pagealloc_enabled())
return;
__kernel_map_pages(page, numpages, enable);
}
#ifdef CONFIG_HIBERNATION
extern bool kernel_page_present(struct page *page);
#endif /* CONFIG_HIBERNATION */
#else /* CONFIG_DEBUG_PAGEALLOC */
static inline void
kernel_map_pages(struct page *page, int numpages, int enable) {}
#ifdef CONFIG_HIBERNATION
static inline bool kernel_page_present(struct page *page) { return true; }
#endif /* CONFIG_HIBERNATION */
static inline bool debug_pagealloc_enabled(void)
{
return false;
}
#endif /* CONFIG_DEBUG_PAGEALLOC */
#ifdef __HAVE_ARCH_GATE_AREA
extern struct vm_area_struct *get_gate_vma(struct mm_struct *mm);
extern int in_gate_area_no_mm(unsigned long addr);
extern int in_gate_area(struct mm_struct *mm, unsigned long addr);
#else
static inline struct vm_area_struct *get_gate_vma(struct mm_struct *mm)
{
return NULL;
}
static inline int in_gate_area_no_mm(unsigned long addr) { return 0; }
static inline int in_gate_area(struct mm_struct *mm, unsigned long addr)
{
return 0;
}
#endif /* __HAVE_ARCH_GATE_AREA */
extern bool process_shares_mm(struct task_struct *p, struct mm_struct *mm);
#ifdef CONFIG_SYSCTL
extern int sysctl_drop_caches;
int drop_caches_sysctl_handler(struct ctl_table *, int,
void __user *, size_t *, loff_t *);
#endif
void drop_slab(void);
void drop_slab_node(int nid);
#ifndef CONFIG_MMU
#define randomize_va_space 0
#else
extern int randomize_va_space;
#endif
const char * arch_vma_name(struct vm_area_struct *vma);
void print_vma_addr(char *prefix, unsigned long rip);
void sparse_mem_maps_populate_node(struct page **map_map,
unsigned long pnum_begin,
unsigned long pnum_end,
unsigned long map_count,
int nodeid);
struct page *sparse_mem_map_populate(unsigned long pnum, int nid);
pgd_t *vmemmap_pgd_populate(unsigned long addr, int node);
p4d_t *vmemmap_p4d_populate(pgd_t *pgd, unsigned long addr, int node);
pud_t *vmemmap_pud_populate(p4d_t *p4d, unsigned long addr, int node);
pmd_t *vmemmap_pmd_populate(pud_t *pud, unsigned long addr, int node);
pte_t *vmemmap_pte_populate(pmd_t *pmd, unsigned long addr, int node);
void *vmemmap_alloc_block(unsigned long size, int node);
struct vmem_altmap;
void *__vmemmap_alloc_block_buf(unsigned long size, int node,
struct vmem_altmap *altmap);
static inline void *vmemmap_alloc_block_buf(unsigned long size, int node)
{
return __vmemmap_alloc_block_buf(size, node, NULL);
}
void vmemmap_verify(pte_t *, int, unsigned long, unsigned long);
int vmemmap_populate_basepages(unsigned long start, unsigned long end,
int node);
int vmemmap_populate(unsigned long start, unsigned long end, int node);
void vmemmap_populate_print_last(void);
#ifdef CONFIG_MEMORY_HOTPLUG
void vmemmap_free(unsigned long start, unsigned long end);
#endif
void register_page_bootmem_memmap(unsigned long section_nr, struct page *map,
unsigned long nr_pages);
enum mf_flags {
MF_COUNT_INCREASED = 1 << 0,
MF_ACTION_REQUIRED = 1 << 1,
MF_MUST_KILL = 1 << 2,
MF_SOFT_OFFLINE = 1 << 3,
};
extern int memory_failure(unsigned long pfn, int trapno, int flags);
extern void memory_failure_queue(unsigned long pfn, int trapno, int flags);
extern int unpoison_memory(unsigned long pfn);
extern int get_hwpoison_page(struct page *page);
#define put_hwpoison_page(page) put_page(page)
extern int sysctl_memory_failure_early_kill;
extern int sysctl_memory_failure_recovery;
extern void shake_page(struct page *p, int access);
extern atomic_long_t num_poisoned_pages;
extern int soft_offline_page(struct page *page, int flags);
/*
* Error handlers for various types of pages.
*/
enum mf_result {
MF_IGNORED, /* Error: cannot be handled */
MF_FAILED, /* Error: handling failed */
MF_DELAYED, /* Will be handled later */
MF_RECOVERED, /* Successfully recovered */
};
enum mf_action_page_type {
MF_MSG_KERNEL,
MF_MSG_KERNEL_HIGH_ORDER,
MF_MSG_SLAB,
MF_MSG_DIFFERENT_COMPOUND,
MF_MSG_POISONED_HUGE,
MF_MSG_HUGE,
MF_MSG_FREE_HUGE,
MF_MSG_NON_PMD_HUGE,
MF_MSG_UNMAP_FAILED,
MF_MSG_DIRTY_SWAPCACHE,
MF_MSG_CLEAN_SWAPCACHE,
MF_MSG_DIRTY_MLOCKED_LRU,
MF_MSG_CLEAN_MLOCKED_LRU,
MF_MSG_DIRTY_UNEVICTABLE_LRU,
MF_MSG_CLEAN_UNEVICTABLE_LRU,
MF_MSG_DIRTY_LRU,
MF_MSG_CLEAN_LRU,
MF_MSG_TRUNCATED_LRU,
MF_MSG_BUDDY,
MF_MSG_BUDDY_2ND,
MF_MSG_UNKNOWN,
};
#if defined(CONFIG_TRANSPARENT_HUGEPAGE) || defined(CONFIG_HUGETLBFS)
extern void clear_huge_page(struct page *page,
unsigned long addr_hint,
unsigned int pages_per_huge_page);
extern void copy_user_huge_page(struct page *dst, struct page *src,
unsigned long addr, struct vm_area_struct *vma,
unsigned int pages_per_huge_page);
extern long copy_huge_page_from_user(struct page *dst_page,
const void __user *usr_src,
unsigned int pages_per_huge_page,
bool allow_pagefault);
#endif /* CONFIG_TRANSPARENT_HUGEPAGE || CONFIG_HUGETLBFS */
extern struct page_ext_operations debug_guardpage_ops;
#ifdef CONFIG_DEBUG_PAGEALLOC
extern unsigned int _debug_guardpage_minorder;
extern bool _debug_guardpage_enabled;
static inline unsigned int debug_guardpage_minorder(void)
{
return _debug_guardpage_minorder;
}
static inline bool debug_guardpage_enabled(void)
{
return _debug_guardpage_enabled;
}
static inline bool page_is_guard(struct page *page)
{
struct page_ext *page_ext;
if (!debug_guardpage_enabled())
return false;
page_ext = lookup_page_ext(page);
if (unlikely(!page_ext))
return false;
return test_bit(PAGE_EXT_DEBUG_GUARD, &page_ext->flags);
}
#else
static inline unsigned int debug_guardpage_minorder(void) { return 0; }
static inline bool debug_guardpage_enabled(void) { return false; }
static inline bool page_is_guard(struct page *page) { return false; }
#endif /* CONFIG_DEBUG_PAGEALLOC */
#if MAX_NUMNODES > 1
void __init setup_nr_node_ids(void);
#else
static inline void setup_nr_node_ids(void) {}
#endif
#endif /* __KERNEL__ */
#endif /* _LINUX_MM_H */
| Name | Type | Size | Permission | Actions |
|---|---|---|---|---|
| amba | Folder | 0755 |
|
|
| avf | Folder | 0755 |
|
|
| bcma | Folder | 0755 |
|
|
| byteorder | Folder | 0755 |
|
|
| can | Folder | 0755 |
|
|
| ceph | Folder | 0755 |
|
|
| clk | Folder | 0755 |
|
|
| crush | Folder | 0755 |
|
|
| decompress | Folder | 0755 |
|
|
| dma | Folder | 0755 |
|
|
| dsa | Folder | 0755 |
|
|
| extcon | Folder | 0755 |
|
|
| firmware | Folder | 0755 |
|
|
| fpga | Folder | 0755 |
|
|
| fsl | Folder | 0755 |
|
|
| gpio | Folder | 0755 |
|
|
| hsi | Folder | 0755 |
|
|
| i2c | Folder | 0755 |
|
|
| iio | Folder | 0755 |
|
|
| input | Folder | 0755 |
|
|
| irqchip | Folder | 0755 |
|
|
| isdn | Folder | 0755 |
|
|
| lockd | Folder | 0755 |
|
|
| mailbox | Folder | 0755 |
|
|
| mfd | Folder | 0755 |
|
|
| mlx4 | Folder | 0755 |
|
|
| mlx5 | Folder | 0755 |
|
|
| mmc | Folder | 0755 |
|
|
| mtd | Folder | 0755 |
|
|
| mux | Folder | 0755 |
|
|
| netfilter | Folder | 0755 |
|
|
| netfilter_arp | Folder | 0755 |
|
|
| netfilter_bridge | Folder | 0755 |
|
|
| netfilter_ipv4 | Folder | 0755 |
|
|
| netfilter_ipv6 | Folder | 0755 |
|
|
| perf | Folder | 0755 |
|
|
| phy | Folder | 0755 |
|
|
| pinctrl | Folder | 0755 |
|
|
| platform_data | Folder | 0755 |
|
|
| power | Folder | 0755 |
|
|
| qed | Folder | 0755 |
|
|
| raid | Folder | 0755 |
|
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| regulator | Folder | 0755 |
|
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| remoteproc | Folder | 0755 |
|
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| reset | Folder | 0755 |
|
|
| rpmsg | Folder | 0755 |
|
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| rtc | Folder | 0755 |
|
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| sched | Folder | 0755 |
|
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| soc | Folder | 0755 |
|
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| spi | Folder | 0755 |
|
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| ssb | Folder | 0755 |
|
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| sunrpc | Folder | 0755 |
|
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| ulpi | Folder | 0755 |
|
|
| unaligned | Folder | 0755 |
|
|
| usb | Folder | 0755 |
|
|
| uwb | Folder | 0755 |
|
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| wimax | Folder | 0755 |
|
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| 8250_pci.h | File | 1.01 KB | 0644 |
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| a.out.h | File | 354 B | 0644 |
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| acct.h | File | 2.49 KB | 0644 |
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| acpi.h | File | 36.89 KB | 0644 |
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| acpi_dma.h | File | 3.22 KB | 0644 |
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| acpi_iort.h | File | 2.15 KB | 0644 |
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| acpi_pmtmr.h | File | 674 B | 0644 |
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| adb.h | File | 1.79 KB | 0644 |
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| adfs_fs.h | File | 574 B | 0644 |
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| aer.h | File | 1.71 KB | 0644 |
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| agp_backend.h | File | 3.45 KB | 0644 |
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| agpgart.h | File | 3.82 KB | 0644 |
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| ahci-remap.h | File | 607 B | 0644 |
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| ahci_platform.h | File | 1.67 KB | 0644 |
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| aio.h | File | 673 B | 0644 |
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| alarmtimer.h | File | 1.83 KB | 0644 |
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| altera_jtaguart.h | File | 379 B | 0644 |
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| altera_uart.h | File | 397 B | 0644 |
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| amd-iommu.h | File | 6.78 KB | 0644 |
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| amifd.h | File | 1.99 KB | 0644 |
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| amifdreg.h | File | 2.65 KB | 0644 |
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| anon_inodes.h | File | 494 B | 0644 |
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| apm-emulation.h | File | 1.54 KB | 0644 |
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| apm_bios.h | File | 2.68 KB | 0644 |
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| apple-gmux.h | File | 1.42 KB | 0644 |
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| apple_bl.h | File | 498 B | 0644 |
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| arch_topology.h | File | 840 B | 0644 |
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| arm-cci.h | File | 2.01 KB | 0644 |
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| arm-smccc.h | File | 12.79 KB | 0644 |
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| arm_sdei.h | File | 2.33 KB | 0644 |
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| asn1.h | File | 1.99 KB | 0644 |
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| asn1_ber_bytecode.h | File | 2.72 KB | 0644 |
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| asn1_decoder.h | File | 675 B | 0644 |
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| assoc_array.h | File | 3.07 KB | 0644 |
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| assoc_array_priv.h | File | 5.49 KB | 0644 |
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| async.h | File | 1.65 KB | 0644 |
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| async_tx.h | File | 6.81 KB | 0644 |
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| ata.h | File | 33.18 KB | 0644 |
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| ata_platform.h | File | 729 B | 0644 |
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| atalk.h | File | 4.36 KB | 0644 |
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| ath9k_platform.h | File | 1.44 KB | 0644 |
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| atm.h | File | 287 B | 0644 |
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| atm_suni.h | File | 253 B | 0644 |
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| atm_tcp.h | File | 511 B | 0644 |
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| atmdev.h | File | 10.21 KB | 0644 |
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| atmel-mci.h | File | 1.4 KB | 0644 |
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| atmel-ssc.h | File | 9.74 KB | 0644 |
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| atmel_pdc.h | File | 1.47 KB | 0644 |
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| atmel_tc.h | File | 11.33 KB | 0644 |
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| atomic.h | File | 30.5 KB | 0644 |
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| attribute_container.h | File | 2.47 KB | 0644 |
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| audit.h | File | 17.22 KB | 0644 |
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| auto_dev-ioctl.h | File | 454 B | 0644 |
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| auto_fs.h | File | 436 B | 0644 |
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| auxvec.h | File | 304 B | 0644 |
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| average.h | File | 2.42 KB | 0644 |
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| b1pcmcia.h | File | 666 B | 0644 |
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| backing-dev-defs.h | File | 8.53 KB | 0644 |
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| backing-dev.h | File | 13.8 KB | 0644 |
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| backlight.h | File | 5.3 KB | 0644 |
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| badblocks.h | File | 2.14 KB | 0644 |
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| balloon_compaction.h | File | 7.2 KB | 0644 |
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| bcd.h | File | 559 B | 0644 |
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| bch.h | File | 2.6 KB | 0644 |
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| bcm47xx_nvram.h | File | 1.22 KB | 0644 |
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| bcm47xx_sprom.h | File | 600 B | 0644 |
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| bcm47xx_wdt.h | File | 555 B | 0644 |
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| bcm963xx_nvram.h | File | 2.96 KB | 0644 |
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| bcm963xx_tag.h | File | 3.6 KB | 0644 |
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| bfin_mac.h | File | 559 B | 0644 |
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| binfmts.h | File | 4.77 KB | 0644 |
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| bio.h | File | 20.17 KB | 0644 |
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| bit_spinlock.h | File | 2.3 KB | 0644 |
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| bitfield.h | File | 3.2 KB | 0644 |
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| bitmap.h | File | 16.68 KB | 0644 |
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| bitops.h | File | 6.69 KB | 0644 |
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| bitrev.h | File | 2.53 KB | 0644 |
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| bits.h | File | 833 B | 0644 |
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| blk-cgroup.h | File | 22.2 KB | 0644 |
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| blk-mq-pci.h | File | 247 B | 0644 |
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| blk-mq-rdma.h | File | 232 B | 0644 |
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| blk-mq-virtio.h | File | 288 B | 0644 |
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| blk-mq.h | File | 9.09 KB | 0644 |
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| blk_types.h | File | 10.52 KB | 0644 |
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| blkdev.h | File | 58.96 KB | 0644 |
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| blkpg.h | File | 436 B | 0644 |
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| blktrace_api.h | File | 3.87 KB | 0644 |
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| blockgroup_lock.h | File | 810 B | 0644 |
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| bma150.h | File | 1.89 KB | 0644 |
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| bootmem.h | File | 11.7 KB | 0644 |
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| bottom_half.h | File | 803 B | 0644 |
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| bpf-cgroup.h | File | 4.53 KB | 0644 |
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| bpf.h | File | 18.51 KB | 0644 |
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| bpf_trace.h | File | 196 B | 0644 |
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| bpf_types.h | File | 1.88 KB | 0644 |
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| bpf_verifier.h | File | 6.76 KB | 0644 |
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| brcmphy.h | File | 9.88 KB | 0644 |
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| bsearch.h | File | 275 B | 0644 |
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| bsg-lib.h | File | 2.13 KB | 0644 |
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| bsg.h | File | 773 B | 0644 |
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| btree-128.h | File | 2.67 KB | 0644 |
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| btree-type.h | File | 3.9 KB | 0644 |
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| btree.h | File | 6.83 KB | 0644 |
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| btrfs.h | File | 145 B | 0644 |
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| buffer_head.h | File | 14.04 KB | 0644 |
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| bug.h | File | 1.92 KB | 0644 |
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| build_bug.h | File | 3.15 KB | 0644 |
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| bvec.h | File | 4.39 KB | 0644 |
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| c2port.h | File | 1.49 KB | 0644 |
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| cache.h | File | 2.13 KB | 0644 |
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| cacheinfo.h | File | 3.27 KB | 0644 |
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| capability.h | File | 7.6 KB | 0644 |
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| cb710.h | File | 5.69 KB | 0644 |
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| cciss_ioctl.h | File | 1.03 KB | 0644 |
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| ccp.h | File | 18.26 KB | 0644 |
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| cdev.h | File | 845 B | 0644 |
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| cdrom.h | File | 8.75 KB | 0644 |
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| cfag12864b.h | File | 2.1 KB | 0644 |
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| cgroup-defs.h | File | 25.38 KB | 0644 |
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| cgroup.h | File | 26.07 KB | 0644 |
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| cgroup_rdma.h | File | 1.33 KB | 0644 |
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| cgroup_subsys.h | File | 1.17 KB | 0644 |
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| circ_buf.h | File | 1.08 KB | 0644 |
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| cleancache.h | File | 3.89 KB | 0644 |
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| clk-provider.h | File | 34.29 KB | 0644 |
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| clk.h | File | 19.38 KB | 0644 |
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| clkdev.h | File | 1.54 KB | 0644 |
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| clock_cooling.h | File | 2.06 KB | 0644 |
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| clockchips.h | File | 7.27 KB | 0644 |
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| clocksource.h | File | 8.31 KB | 0644 |
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| cm4000_cs.h | File | 199 B | 0644 |
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| cma.h | File | 1.19 KB | 0644 |
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| cmdline-parser.h | File | 1.21 KB | 0644 |
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| cn_proc.h | File | 1.85 KB | 0644 |
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| cnt32_to_63.h | File | 3.6 KB | 0644 |
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| coda.h | File | 2.16 KB | 0644 |
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| coda_psdev.h | File | 2.98 KB | 0644 |
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| compaction.h | File | 7.1 KB | 0644 |
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| compat.h | File | 27.39 KB | 0644 |
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| compiler-clang.h | File | 1.31 KB | 0644 |
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| compiler-gcc.h | File | 12.6 KB | 0644 |
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| compiler-intel.h | File | 1.3 KB | 0644 |
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| compiler.h | File | 10.06 KB | 0644 |
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| compiler_types.h | File | 7.5 KB | 0644 |
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| completion.h | File | 4.05 KB | 0644 |
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| component.h | File | 1.37 KB | 0644 |
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| concap.h | File | 3.69 KB | 0644 |
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| configfs.h | File | 9.22 KB | 0644 |
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| connector.h | File | 2.43 KB | 0644 |
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| console.h | File | 6.72 KB | 0644 |
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| console_struct.h | File | 6.87 KB | 0644 |
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| consolemap.h | File | 1.04 KB | 0644 |
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| container.h | File | 668 B | 0644 |
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| context_tracking.h | File | 4.43 KB | 0644 |
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| context_tracking_state.h | File | 1.39 KB | 0644 |
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| cordic.h | File | 1.75 KB | 0644 |
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| coredump.h | File | 783 B | 0644 |
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| coresight-pmu.h | File | 1.44 KB | 0644 |
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| coresight-stm.h | File | 152 B | 0644 |
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| coresight.h | File | 9.86 KB | 0644 |
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| count_zeros.h | File | 1.62 KB | 0644 |
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| cper.h | File | 16.11 KB | 0644 |
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| cpu.h | File | 6.76 KB | 0644 |
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| cpu_cooling.h | File | 3.59 KB | 0644 |
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| cpu_pm.h | File | 2.78 KB | 0644 |
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| cpu_rmap.h | File | 1.86 KB | 0644 |
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| cpufeature.h | File | 1.85 KB | 0644 |
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| cpufreq.h | File | 27.62 KB | 0644 |
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| cpuhotplug.h | File | 12.05 KB | 0644 |
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| cpuidle.h | File | 8.68 KB | 0644 |
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| cpumask.h | File | 25.38 KB | 0644 |
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| cpuset.h | File | 7.07 KB | 0644 |
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| crash_core.h | File | 2.99 KB | 0644 |
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| crash_dump.h | File | 2.98 KB | 0644 |
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| crc-ccitt.h | File | 369 B | 0644 |
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| crc-itu-t.h | File | 613 B | 0644 |
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| crc-t10dif.h | File | 415 B | 0644 |
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| crc16.h | File | 622 B | 0644 |
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| crc32.h | File | 2.83 KB | 0644 |
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| crc32c.h | File | 293 B | 0644 |
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| crc4.h | File | 192 B | 0644 |
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| crc7.h | File | 316 B | 0644 |
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| crc8.h | File | 3.65 KB | 0644 |
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| cred.h | File | 12.23 KB | 0644 |
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| crypto.h | File | 55.52 KB | 0644 |
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| cryptohash.h | File | 319 B | 0644 |
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| cs5535.h | File | 6.28 KB | 0644 |
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| ctype.h | File | 1.75 KB | 0644 |
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| cuda.h | File | 501 B | 0644 |
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| cyclades.h | File | 10.36 KB | 0644 |
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| davinci_emac.h | File | 1.12 KB | 0644 |
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| dax.h | File | 3.65 KB | 0644 |
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| dca.h | File | 2.63 KB | 0644 |
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| dcache.h | File | 18.78 KB | 0644 |
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| dccp.h | File | 10.73 KB | 0644 |
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| dcookies.h | File | 1.3 KB | 0644 |
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| debug_locks.h | File | 1.51 KB | 0644 |
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| debugfs.h | File | 10.51 KB | 0644 |
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| debugobjects.h | File | 3.89 KB | 0644 |
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| delay.h | File | 1.83 KB | 0644 |
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| delayacct.h | File | 5.17 KB | 0644 |
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| delayed_call.h | File | 709 B | 0644 |
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| dell-led.h | File | 128 B | 0644 |
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| devcoredump.h | File | 2.78 KB | 0644 |
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| devfreq-event.h | File | 5.64 KB | 0644 |
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| devfreq.h | File | 12.53 KB | 0644 |
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| devfreq_cooling.h | File | 3.54 KB | 0644 |
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| device-mapper.h | File | 17.85 KB | 0644 |
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| device.h | File | 55.51 KB | 0644 |
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| device_cgroup.h | File | 1.86 KB | 0644 |
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| devpts_fs.h | File | 1.28 KB | 0644 |
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| digsig.h | File | 1.35 KB | 0644 |
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| dim.h | File | 8.98 KB | 0644 |
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| dio.h | File | 10.97 KB | 0644 |
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| dirent.h | File | 216 B | 0644 |
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| dlm.h | File | 6.01 KB | 0644 |
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| dlm_plock.h | File | 678 B | 0644 |
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| dm-dirty-log.h | File | 3.94 KB | 0644 |
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| dm-io.h | File | 1.93 KB | 0644 |
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| dm-kcopyd.h | File | 2.88 KB | 0644 |
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| dm-region-hash.h | File | 3.11 KB | 0644 |
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| dm9000.h | File | 1.11 KB | 0644 |
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| dma-buf.h | File | 14.7 KB | 0644 |
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| dma-contiguous.h | File | 4.48 KB | 0644 |
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| dma-debug.h | File | 5.61 KB | 0644 |
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| dma-direction.h | File | 338 B | 0644 |
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| dma-fence-array.h | File | 2.49 KB | 0644 |
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| dma-fence.h | File | 17.29 KB | 0644 |
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| dma-iommu.h | File | 3.62 KB | 0644 |
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| dma-mapping.h | File | 24.61 KB | 0644 |
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| dma_remapping.h | File | 1.46 KB | 0644 |
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| dmaengine.h | File | 46.04 KB | 0644 |
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| dmapool.h | File | 1.09 KB | 0644 |
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| dmar.h | File | 7.94 KB | 0644 |
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| dmi.h | File | 4.08 KB | 0644 |
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| dnotify.h | File | 1.02 KB | 0644 |
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| dns_resolver.h | File | 1.31 KB | 0644 |
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| dqblk_qtree.h | File | 2.19 KB | 0644 |
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| dqblk_v1.h | File | 327 B | 0644 |
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| dqblk_v2.h | File | 406 B | 0644 |
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| drbd.h | File | 10.67 KB | 0644 |
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| drbd_genl.h | File | 21.49 KB | 0644 |
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| drbd_genl_api.h | File | 1.77 KB | 0644 |
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| drbd_limits.h | File | 7.82 KB | 0644 |
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| ds2782_battery.h | File | 158 B | 0644 |
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| dtlk.h | File | 3.5 KB | 0644 |
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| dw_apb_timer.h | File | 1.7 KB | 0644 |
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| dynamic_debug.h | File | 5.08 KB | 0644 |
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| dynamic_queue_limits.h | File | 3.7 KB | 0644 |
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| earlycpio.h | File | 359 B | 0644 |
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| ecryptfs.h | File | 3.82 KB | 0644 |
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| edac.h | File | 20.26 KB | 0644 |
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| edd.h | File | 1.43 KB | 0644 |
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| edma.h | File | 807 B | 0644 |
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| eeprom_93cx6.h | File | 2.94 KB | 0644 |
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| eeprom_93xx46.h | File | 879 B | 0644 |
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| efi-bgrt.h | File | 644 B | 0644 |
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| efi.h | File | 49.1 KB | 0644 |
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| efs_vh.h | File | 1.55 KB | 0644 |
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| eisa.h | File | 2.96 KB | 0644 |
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| elevator.h | File | 9.26 KB | 0644 |
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| elf-fdpic.h | File | 2.18 KB | 0644 |
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| elf-randomize.h | File | 583 B | 0644 |
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| elf.h | File | 1.53 KB | 0644 |
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| elfcore-compat.h | File | 1.24 KB | 0644 |
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| elfcore.h | File | 2.52 KB | 0644 |
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| elfnote.h | File | 3.54 KB | 0644 |
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| enclosure.h | File | 4.6 KB | 0644 |
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| err.h | File | 1.55 KB | 0644 |
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| errno.h | File | 1.34 KB | 0644 |
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| errqueue.h | File | 524 B | 0644 |
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| errseq.h | File | 373 B | 0644 |
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| etherdevice.h | File | 15.65 KB | 0644 |
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| ethtool.h | File | 17.3 KB | 0644 |
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| eventfd.h | File | 2.36 KB | 0644 |
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| eventpoll.h | File | 2.16 KB | 0644 |
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| evm.h | File | 2.65 KB | 0644 |
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| export.h | File | 3.88 KB | 0644 |
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| exportfs.h | File | 7.45 KB | 0644 |
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| ext2_fs.h | File | 967 B | 0644 |
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| extable.h | File | 999 B | 0644 |
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| extcon-provider.h | File | 4.33 KB | 0644 |
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| extcon.h | File | 10.4 KB | 0644 |
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| f2fs_fs.h | File | 17.51 KB | 0644 |
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| f75375s.h | File | 541 B | 0644 |
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| falloc.h | File | 792 B | 0644 |
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| fanotify.h | File | 245 B | 0644 |
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| fault-inject.h | File | 1.87 KB | 0644 |
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| fb.h | File | 28.74 KB | 0644 |
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| fbcon.h | File | 492 B | 0644 |
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| fcdevice.h | File | 988 B | 0644 |
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| fcntl.h | File | 1.27 KB | 0644 |
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| fd.h | File | 490 B | 0644 |
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| fddidevice.h | File | 1.02 KB | 0644 |
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| fdtable.h | File | 3.28 KB | 0644 |
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| fec.h | File | 609 B | 0644 |
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| file.h | File | 2.18 KB | 0644 |
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| filter.h | File | 27.5 KB | 0644 |
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| fips.h | File | 167 B | 0644 |
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| firewire.h | File | 13.4 KB | 0644 |
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| firmware-map.h | File | 1.32 KB | 0644 |
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| firmware.h | File | 2.34 KB | 0644 |
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| fixp-arith.h | File | 4.41 KB | 0644 |
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| flat.h | File | 1.61 KB | 0644 |
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| flex_array.h | File | 4.31 KB | 0644 |
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| flex_proportions.h | File | 2.81 KB | 0644 |
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| fmc-sdb.h | File | 1.29 KB | 0644 |
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| fmc.h | File | 9.65 KB | 0644 |
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| font.h | File | 1.6 KB | 0644 |
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| frame.h | File | 813 B | 0644 |
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| freezer.h | File | 8.67 KB | 0644 |
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| frontswap.h | File | 2.87 KB | 0644 |
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| fs.h | File | 110.54 KB | 0644 |
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| fs_enet_pd.h | File | 3.38 KB | 0644 |
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| fs_pin.h | File | 619 B | 0644 |
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| fs_stack.h | File | 811 B | 0644 |
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| fs_struct.h | File | 1.03 KB | 0644 |
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| fs_uart_pd.h | File | 1.49 KB | 0644 |
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| fscache-cache.h | File | 18.4 KB | 0644 |
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| fscache.h | File | 27.54 KB | 0644 |
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| fscrypt.h | File | 8.93 KB | 0644 |
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| fscrypt_notsupp.h | File | 4.45 KB | 0644 |
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| fscrypt_supp.h | File | 6.1 KB | 0644 |
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| fsi.h | File | 2.37 KB | 0644 |
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| fsl-diu-fb.h | File | 4.08 KB | 0644 |
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| fsl_devices.h | File | 4.32 KB | 0644 |
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| fsl_hypervisor.h | File | 2.76 KB | 0644 |
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| fsl_ifc.h | File | 25.13 KB | 0644 |
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| fsldma.h | File | 398 B | 0644 |
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| fsnotify.h | File | 7.43 KB | 0644 |
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| fsnotify_backend.h | File | 16.66 KB | 0644 |
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| ftrace.h | File | 29.91 KB | 0644 |
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| ftrace_irq.h | File | 823 B | 0644 |
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| futex.h | File | 2.4 KB | 0644 |
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| fwnode.h | File | 4.41 KB | 0644 |
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| gameport.h | File | 5.56 KB | 0644 |
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| gcd.h | File | 193 B | 0644 |
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| genalloc.h | File | 5.92 KB | 0644 |
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| genetlink.h | File | 1.39 KB | 0644 |
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| genhd.h | File | 22.77 KB | 0644 |
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| genl_magic_func.h | File | 12.05 KB | 0644 |
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| genl_magic_struct.h | File | 7.66 KB | 0644 |
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| getcpu.h | File | 641 B | 0644 |
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| gfp.h | File | 23.37 KB | 0644 |
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| glob.h | File | 256 B | 0644 |
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| goldfish.h | File | 605 B | 0644 |
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| gpio-pxa.h | File | 571 B | 0644 |
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| gpio.h | File | 5.19 KB | 0644 |
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| gpio_keys.h | File | 1.63 KB | 0644 |
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| hardirq.h | File | 1.95 KB | 0644 |
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| hash.h | File | 3 KB | 0644 |
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| hashtable.h | File | 6.63 KB | 0644 |
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| hdlc.h | File | 3.33 KB | 0644 |
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| hdlcdrv.h | File | 6.32 KB | 0644 |
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| hdmi.h | File | 9.36 KB | 0644 |
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| hid-debug.h | File | 2.07 KB | 0644 |
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| hid-roccat.h | File | 688 B | 0644 |
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| hid-sensor-hub.h | File | 9.25 KB | 0644 |
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| hid-sensor-ids.h | File | 7.27 KB | 0644 |
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| hid.h | File | 35.93 KB | 0644 |
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| hiddev.h | File | 2.07 KB | 0644 |
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| hidraw.h | File | 1.49 KB | 0644 |
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| highmem.h | File | 5.84 KB | 0644 |
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| highuid.h | File | 3.12 KB | 0644 |
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| hil.h | File | 18.42 KB | 0644 |
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| hil_mlc.h | File | 5.13 KB | 0644 |
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| hippidevice.h | File | 1.23 KB | 0644 |
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| hmm.h | File | 18.19 KB | 0644 |
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| host1x.h | File | 9.02 KB | 0644 |
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| hp_sdc.h | File | 14.02 KB | 0644 |
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| hpet.h | File | 2.55 KB | 0644 |
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| hrtimer.h | File | 14.02 KB | 0644 |
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| htcpld.h | File | 617 B | 0644 |
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| huge_mm.h | File | 10.1 KB | 0644 |
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| hugetlb.h | File | 16.71 KB | 0644 |
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| hugetlb_cgroup.h | File | 2.93 KB | 0644 |
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| hugetlb_inline.h | File | 374 B | 0644 |
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| hw_breakpoint.h | File | 3.85 KB | 0644 |
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| hw_random.h | File | 2.03 KB | 0644 |
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| hwmon-sysfs.h | File | 1.98 KB | 0644 |
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| hwmon-vid.h | File | 1.48 KB | 0644 |
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| hwmon.h | File | 12.07 KB | 0644 |
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| hwspinlock.h | File | 11.06 KB | 0644 |
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| hyperv.h | File | 38.89 KB | 0644 |
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| hypervisor.h | File | 400 B | 0644 |
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| i2c-algo-bit.h | File | 2.24 KB | 0644 |
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| i2c-algo-pca.h | File | 2.89 KB | 0644 |
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| i2c-algo-pcf.h | File | 1.88 KB | 0644 |
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| i2c-dev.h | File | 1.03 KB | 0644 |
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| i2c-gpio.h | File | 1.19 KB | 0644 |
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| i2c-mux-gpio.h | File | 1.35 KB | 0644 |
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| i2c-mux.h | File | 2.29 KB | 0644 |
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| i2c-ocores.h | File | 757 B | 0644 |
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| i2c-omap.h | File | 1.21 KB | 0644 |
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| i2c-pca-platform.h | File | 441 B | 0644 |
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| i2c-pnx.h | File | 923 B | 0644 |
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| i2c-pxa.h | File | 438 B | 0644 |
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| i2c-smbus.h | File | 1.94 KB | 0644 |
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| i2c-xiic.h | File | 1.41 KB | 0644 |
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| i2c.h | File | 30.91 KB | 0644 |
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| i7300_idle.h | File | 1.95 KB | 0644 |
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| i8042.h | File | 2.14 KB | 0644 |
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| i8253.h | File | 809 B | 0644 |
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| icmp.h | File | 863 B | 0644 |
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| icmpv6.h | File | 2.5 KB | 0644 |
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| ide.h | File | 46.27 KB | 0644 |
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| idr.h | File | 7.82 KB | 0644 |
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| ieee80211.h | File | 83.19 KB | 0644 |
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| ieee802154.h | File | 11.5 KB | 0644 |
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| if_arp.h | File | 1.86 KB | 0644 |
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| if_bridge.h | File | 2.65 KB | 0644 |
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| if_eql.h | File | 1.07 KB | 0644 |
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| if_ether.h | File | 1.47 KB | 0644 |
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| if_fddi.h | File | 3.44 KB | 0644 |
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| if_frad.h | File | 2.87 KB | 0644 |
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| if_link.h | File | 554 B | 0644 |
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| if_ltalk.h | File | 188 B | 0644 |
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| if_macvlan.h | File | 2.2 KB | 0644 |
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| if_phonet.h | File | 319 B | 0644 |
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| if_pppol2tp.h | File | 727 B | 0644 |
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| if_pppox.h | File | 3.05 KB | 0644 |
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| if_tap.h | File | 2.24 KB | 0644 |
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| if_team.h | File | 7.65 KB | 0644 |
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| if_tun.h | File | 1.14 KB | 0644 |
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| if_tunnel.h | File | 409 B | 0644 |
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| if_vlan.h | File | 19.2 KB | 0644 |
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| igmp.h | File | 4.15 KB | 0644 |
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| ihex.h | File | 1.95 KB | 0644 |
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| ima.h | File | 2.53 KB | 0644 |
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| imx-media.h | File | 811 B | 0644 |
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| in.h | File | 2.43 KB | 0644 |
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| in6.h | File | 1.85 KB | 0644 |
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| inet.h | File | 2.8 KB | 0644 |
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| inet_diag.h | File | 2.42 KB | 0644 |
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| inetdevice.h | File | 8.25 KB | 0644 |
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| init.h | File | 9.1 KB | 0644 |
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| init_ohci1394_dma.h | File | 196 B | 0644 |
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| init_task.h | File | 7.84 KB | 0644 |
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| initrd.h | File | 685 B | 0644 |
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| inotify.h | File | 696 B | 0644 |
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| input-polldev.h | File | 2.17 KB | 0644 |
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| input.h | File | 18.7 KB | 0644 |
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| integrity.h | File | 1.05 KB | 0644 |
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| intel-iommu.h | File | 16.85 KB | 0644 |
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| intel-pti.h | File | 1.56 KB | 0644 |
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| intel-svm.h | File | 4.96 KB | 0644 |
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| interrupt.h | File | 21.15 KB | 0644 |
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| interval_tree.h | File | 831 B | 0644 |
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| interval_tree_generic.h | File | 8 KB | 0644 |
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| io-64-nonatomic-hi-lo.h | File | 1.14 KB | 0644 |
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| io-64-nonatomic-lo-hi.h | File | 1.14 KB | 0644 |
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| io-mapping.h | File | 4.36 KB | 0644 |
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| io.h | File | 5.86 KB | 0644 |
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| ioc3.h | File | 3.14 KB | 0644 |
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| ioc4.h | File | 5.78 KB | 0644 |
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| iocontext.h | File | 4.76 KB | 0644 |
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| iomap.h | File | 3.95 KB | 0644 |
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| iommu-common.h | File | 1.41 KB | 0644 |
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| iommu-helper.h | File | 950 B | 0644 |
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| iommu.h | File | 21.74 KB | 0644 |
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| iopoll.h | File | 5.72 KB | 0644 |
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| ioport.h | File | 10.74 KB | 0644 |
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| ioprio.h | File | 1.96 KB | 0644 |
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| iova.h | File | 7.03 KB | 0644 |
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| ip.h | File | 1.07 KB | 0644 |
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| ipack.h | File | 8.85 KB | 0644 |
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| ipc.h | File | 695 B | 0644 |
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| ipc_namespace.h | File | 4.81 KB | 0644 |
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| ipmi-fru.h | File | 3.64 KB | 0644 |
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| ipmi.h | File | 11.44 KB | 0644 |
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| ipmi_smi.h | File | 8.9 KB | 0644 |
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| ipv6.h | File | 8.92 KB | 0644 |
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| ipv6_route.h | File | 594 B | 0644 |
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| irq.h | File | 39.04 KB | 0644 |
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| irq_cpustat.h | File | 949 B | 0644 |
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| irq_poll.h | File | 575 B | 0644 |
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| irq_sim.h | File | 1.16 KB | 0644 |
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| irq_work.h | File | 1.3 KB | 0644 |
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| irqbypass.h | File | 3.59 KB | 0644 |
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| irqchip.h | File | 1.54 KB | 0644 |
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| irqdesc.h | File | 8.15 KB | 0644 |
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| irqdomain.h | File | 19.21 KB | 0644 |
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| irqflags.h | File | 4.82 KB | 0644 |
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| irqhandler.h | File | 362 B | 0644 |
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| irqnr.h | File | 856 B | 0644 |
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| irqreturn.h | File | 503 B | 0644 |
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| isa.h | File | 2.12 KB | 0644 |
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| isapnp.h | File | 3.8 KB | 0644 |
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| iscsi_boot_sysfs.h | File | 4.09 KB | 0644 |
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| iscsi_ibft.h | File | 1.28 KB | 0644 |
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| isdn.h | File | 22.99 KB | 0644 |
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| isdn_divertif.h | File | 1.27 KB | 0644 |
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| isdn_ppp.h | File | 6.64 KB | 0644 |
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| isdnif.h | File | 19.26 KB | 0644 |
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| isicom.h | File | 1.49 KB | 0644 |
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| jbd2.h | File | 47.14 KB | 0644 |
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| jhash.h | File | 4.62 KB | 0644 |
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| jiffies.h | File | 15.4 KB | 0644 |
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| journal-head.h | File | 2.87 KB | 0644 |
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| joystick.h | File | 1.28 KB | 0644 |
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| jump_label.h | File | 13.32 KB | 0644 |
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| jump_label_ratelimit.h | File | 1.12 KB | 0644 |
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| jz4740-adc.h | File | 1023 B | 0644 |
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| jz4780-nemc.h | File | 1.16 KB | 0644 |
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| kallsyms.h | File | 3.59 KB | 0644 |
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| kasan-checks.h | File | 441 B | 0644 |
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| kasan.h | File | 4.48 KB | 0644 |
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| kbd_diacr.h | File | 198 B | 0644 |
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| kbd_kern.h | File | 3.84 KB | 0644 |
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| kbuild.h | File | 380 B | 0644 |
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| kconfig.h | File | 2.53 KB | 0644 |
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| kcore.h | File | 664 B | 0644 |
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| kcov.h | File | 802 B | 0644 |
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| kdb.h | File | 7.3 KB | 0644 |
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| kdebug.h | File | 487 B | 0644 |
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| kdev_t.h | File | 1.8 KB | 0644 |
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| kern_levels.h | File | 1.58 KB | 0644 |
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| kernel-page-flags.h | File | 505 B | 0644 |
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| kernel.h | File | 31.26 KB | 0644 |
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| kernel_stat.h | File | 2.5 KB | 0644 |
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| kernelcapi.h | File | 4.45 KB | 0644 |
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| kernfs.h | File | 16.88 KB | 0644 |
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| kexec.h | File | 10.06 KB | 0644 |
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| key-type.h | File | 6.16 KB | 0644 |
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| key.h | File | 12.75 KB | 0644 |
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| keyboard.h | File | 665 B | 0644 |
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| kfifo.h | File | 24.84 KB | 0644 |
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| kgdb.h | File | 10.72 KB | 0644 |
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| khugepaged.h | File | 2.36 KB | 0644 |
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| klist.h | File | 1.88 KB | 0644 |
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| kmemleak.h | File | 3.86 KB | 0644 |
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| kmod.h | File | 1.71 KB | 0644 |
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| kmsg_dump.h | File | 2.85 KB | 0644 |
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| kobj_map.h | File | 545 B | 0644 |
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| kobject.h | File | 7.62 KB | 0644 |
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| kobject_ns.h | File | 1.9 KB | 0644 |
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| kprobes.h | File | 14.71 KB | 0644 |
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| kref.h | File | 3.28 KB | 0644 |
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| ks0108.h | File | 1.57 KB | 0644 |
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| ks8842.h | File | 1.19 KB | 0644 |
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| ks8851_mll.h | File | 1.04 KB | 0644 |
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| ksm.h | File | 2.89 KB | 0644 |
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| kthread.h | File | 6.7 KB | 0644 |
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| ktime.h | File | 6.71 KB | 0644 |
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| kvm_host.h | File | 37.83 KB | 0644 |
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| kvm_irqfd.h | File | 2.39 KB | 0644 |
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| kvm_para.h | File | 284 B | 0644 |
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| kvm_types.h | File | 1.67 KB | 0644 |
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| l2tp.h | File | 261 B | 0644 |
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| lapb.h | File | 1.71 KB | 0644 |
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| latencytop.h | File | 1.18 KB | 0644 |
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| lcd.h | File | 4.19 KB | 0644 |
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| lcm.h | File | 275 B | 0644 |
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| led-class-flash.h | File | 5.42 KB | 0644 |
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| led-lm3530.h | File | 3.7 KB | 0644 |
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| leds-bd2802.h | File | 642 B | 0644 |
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| leds-lp3944.h | File | 1.07 KB | 0644 |
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| leds-lp3952.h | File | 2.5 KB | 0644 |
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| leds-pca9532.h | File | 1.01 KB | 0644 |
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| leds-regulator.h | File | 1.29 KB | 0644 |
|
| leds-tca6507.h | File | 1.02 KB | 0644 |
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| leds.h | File | 13.67 KB | 0644 |
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| leds_pwm.h | File | 407 B | 0644 |
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| libata.h | File | 64.88 KB | 0644 |
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| libfdt.h | File | 244 B | 0644 |
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| libfdt_env.h | File | 494 B | 0644 |
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| libgcc.h | File | 1.07 KB | 0644 |
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| libnvdimm.h | File | 7.16 KB | 0644 |
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| libps2.h | File | 1.75 KB | 0644 |
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| license.h | File | 374 B | 0644 |
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| lightnvm.h | File | 10.95 KB | 0644 |
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| linkage.h | File | 2.64 KB | 0644 |
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| linux_logo.h | File | 2.06 KB | 0644 |
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| lis3lv02d.h | File | 5 KB | 0644 |
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| list.h | File | 23.71 KB | 0644 |
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| list_bl.h | File | 4.19 KB | 0644 |
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| list_lru.h | File | 6.29 KB | 0644 |
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| list_nulls.h | File | 3.47 KB | 0644 |
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| list_sort.h | File | 277 B | 0644 |
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| livepatch.h | File | 6.94 KB | 0644 |
|
| llc.h | File | 749 B | 0644 |
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| llist.h | File | 9.15 KB | 0644 |
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| lockdep.h | File | 18.61 KB | 0644 |
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| lockref.h | File | 1.45 KB | 0644 |
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| log2.h | File | 5.48 KB | 0644 |
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| logic_pio.h | File | 3.24 KB | 0644 |
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| lp.h | File | 2.76 KB | 0644 |
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| lru_cache.h | File | 12.42 KB | 0644 |
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| lsm_audit.h | File | 2.73 KB | 0644 |
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| lsm_hooks.h | File | 88.04 KB | 0644 |
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| lz4.h | File | 26.44 KB | 0644 |
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| lzo.h | File | 1.37 KB | 0644 |
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| mISDNdsp.h | File | 1.19 KB | 0644 |
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| mISDNhw.h | File | 5.78 KB | 0644 |
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| mISDNif.h | File | 14.91 KB | 0644 |
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| mailbox_client.h | File | 1.79 KB | 0644 |
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| mailbox_controller.h | File | 5.4 KB | 0644 |
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| maple.h | File | 2.71 KB | 0644 |
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| marvell_phy.h | File | 1.17 KB | 0644 |
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| math64.h | File | 6.42 KB | 0644 |
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| max17040_battery.h | File | 474 B | 0644 |
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| mbcache.h | File | 1.57 KB | 0644 |
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| mbus.h | File | 3.09 KB | 0644 |
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| mc146818rtc.h | File | 4.46 KB | 0644 |
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| mc6821.h | File | 1.18 KB | 0644 |
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| mcb.h | File | 3.88 KB | 0644 |
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| mdev.h | File | 4.9 KB | 0644 |
|
| mdio-bitbang.h | File | 1.18 KB | 0644 |
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| mdio-mux.h | File | 1021 B | 0644 |
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| mdio.h | File | 9.01 KB | 0644 |
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| mei_cl_bus.h | File | 3.28 KB | 0644 |
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| mem_encrypt.h | File | 1.21 KB | 0644 |
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| memblock.h | File | 14.6 KB | 0644 |
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| memcontrol.h | File | 29.63 KB | 0644 |
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| memory.h | File | 4.52 KB | 0644 |
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| memory_hotplug.h | File | 10.29 KB | 0644 |
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| mempolicy.h | File | 7.44 KB | 0644 |
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| mempool.h | File | 2.39 KB | 0644 |
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| memremap.h | File | 7.15 KB | 0644 |
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| memstick.h | File | 9.73 KB | 0644 |
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| mic_bus.h | File | 3.2 KB | 0644 |
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| micrel_phy.h | File | 1.42 KB | 0644 |
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| microchipphy.h | File | 2.84 KB | 0644 |
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| migrate.h | File | 10.02 KB | 0644 |
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| migrate_mode.h | File | 758 B | 0644 |
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| mii.h | File | 8.74 KB | 0644 |
|
| miscdevice.h | File | 2.81 KB | 0644 |
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| mm-arch-hooks.h | File | 679 B | 0644 |
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| mm.h | File | 85.89 KB | 0644 |
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| mm_inline.h | File | 3.44 KB | 0644 |
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| mm_types.h | File | 19.25 KB | 0644 |
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| mm_types_task.h | File | 2.4 KB | 0644 |
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| mman.h | File | 3.26 KB | 0644 |
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| mmdebug.h | File | 2.32 KB | 0644 |
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| mmiotrace.h | File | 3.05 KB | 0644 |
|
| mmu_context.h | File | 378 B | 0644 |
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| mmu_notifier.h | File | 15.84 KB | 0644 |
|
| mmzone.h | File | 39.66 KB | 0644 |
|
| mnt_namespace.h | File | 617 B | 0644 |
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| mod_devicetable.h | File | 19.35 KB | 0644 |
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| module.h | File | 22.23 KB | 0644 |
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| moduleloader.h | File | 2.72 KB | 0644 |
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| moduleparam.h | File | 19.42 KB | 0644 |
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| mount.h | File | 3.45 KB | 0644 |
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| mpage.h | File | 761 B | 0644 |
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| mpi.h | File | 5.17 KB | 0644 |
|
| mpls.h | File | 394 B | 0644 |
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| mpls_iptunnel.h | File | 178 B | 0644 |
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| mroute.h | File | 4.71 KB | 0644 |
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| mroute6.h | File | 3.27 KB | 0644 |
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| msdos_fs.h | File | 273 B | 0644 |
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| msg.h | File | 1.02 KB | 0644 |
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| msi.h | File | 11.79 KB | 0644 |
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| mutex.h | File | 6.91 KB | 0644 |
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| mv643xx.h | File | 52.4 KB | 0644 |
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| mv643xx_eth.h | File | 1.95 KB | 0644 |
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| mv643xx_i2c.h | File | 545 B | 0644 |
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| mvebu-pmsu.h | File | 520 B | 0644 |
|
| mxm-wmi.h | File | 1.05 KB | 0644 |
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| n_r3964.h | File | 4.06 KB | 0644 |
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| namei.h | File | 3.41 KB | 0644 |
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| nd.h | File | 5.71 KB | 0644 |
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| net.h | File | 11.33 KB | 0644 |
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| netdev_features.h | File | 9.39 KB | 0644 |
|
| netdevice.h | File | 140.44 KB | 0644 |
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| netfilter.h | File | 11.74 KB | 0644 |
|
| netfilter_bridge.h | File | 1.82 KB | 0644 |
|
| netfilter_defs.h | File | 239 B | 0644 |
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| netfilter_ingress.h | File | 1.44 KB | 0644 |
|
| netfilter_ipv4.h | File | 424 B | 0644 |
|
| netfilter_ipv6.h | File | 1.43 KB | 0644 |
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| netlink.h | File | 6.87 KB | 0644 |
|
| netpoll.h | File | 2.69 KB | 0644 |
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| nfs.h | File | 1.31 KB | 0644 |
|
| nfs3.h | File | 260 B | 0644 |
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| nfs4.h | File | 17.5 KB | 0644 |
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| nfs_fs.h | File | 16.08 KB | 0644 |
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| nfs_fs_i.h | File | 308 B | 0644 |
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| nfs_fs_sb.h | File | 8.81 KB | 0644 |
|
| nfs_iostat.h | File | 4.18 KB | 0644 |
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| nfs_page.h | File | 6.26 KB | 0644 |
|
| nfs_xdr.h | File | 38.79 KB | 0644 |
|
| nfsacl.h | File | 1.15 KB | 0644 |
|
| nl802154.h | File | 4.23 KB | 0644 |
|
| nls.h | File | 3.08 KB | 0644 |
|
| nmi.h | File | 6.56 KB | 0644 |
|
| node.h | File | 3 KB | 0644 |
|
| nodemask.h | File | 17.08 KB | 0644 |
|
| nospec.h | File | 2.14 KB | 0644 |
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| notifier.h | File | 7.72 KB | 0644 |
|
| ns_common.h | File | 235 B | 0644 |
|
| nsc_gpio.h | File | 1.42 KB | 0644 |
|
| nsproxy.h | File | 2.48 KB | 0644 |
|
| ntb.h | File | 46.52 KB | 0644 |
|
| ntb_transport.h | File | 3.8 KB | 0644 |
|
| nubus.h | File | 4.13 KB | 0644 |
|
| numa.h | File | 292 B | 0644 |
|
| nvme-fc-driver.h | File | 38.22 KB | 0644 |
|
| nvme-fc.h | File | 8.34 KB | 0644 |
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| nvme-rdma.h | File | 2.44 KB | 0644 |
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| nvme.h | File | 26.61 KB | 0644 |
|
| nvmem-consumer.h | File | 4.35 KB | 0644 |
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| nvmem-provider.h | File | 1.52 KB | 0644 |
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| nvram.h | File | 495 B | 0644 |
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| of.h | File | 40.4 KB | 0644 |
|
| of_address.h | File | 4.47 KB | 0644 |
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| of_device.h | File | 3.04 KB | 0644 |
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| of_dma.h | File | 2.45 KB | 0644 |
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| of_fdt.h | File | 4.19 KB | 0644 |
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| of_gpio.h | File | 4.39 KB | 0644 |
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| of_graph.h | File | 3.56 KB | 0644 |
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| of_iommu.h | File | 1 KB | 0644 |
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| of_irq.h | File | 3.6 KB | 0644 |
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| of_mdio.h | File | 2.98 KB | 0644 |
|
| of_net.h | File | 708 B | 0644 |
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| of_pci.h | File | 2.23 KB | 0644 |
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| of_pdt.h | File | 1.4 KB | 0644 |
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| of_platform.h | File | 4.1 KB | 0644 |
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| of_reserved_mem.h | File | 2.35 KB | 0644 |
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| oid_registry.h | File | 3.87 KB | 0644 |
|
| olpc-ec.h | File | 1.08 KB | 0644 |
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| omap-dma.h | File | 10.5 KB | 0644 |
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| omap-dmaengine.h | File | 583 B | 0644 |
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| omap-gpmc.h | File | 2.22 KB | 0644 |
|
| omap-iommu.h | File | 520 B | 0644 |
|
| omap-mailbox.h | File | 777 B | 0644 |
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| omapfb.h | File | 1.22 KB | 0644 |
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| once.h | File | 1.84 KB | 0644 |
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| oom.h | File | 3.15 KB | 0644 |
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| openvswitch.h | File | 844 B | 0644 |
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| oprofile.h | File | 6.1 KB | 0644 |
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| osq_lock.h | File | 1.04 KB | 0644 |
|
| overflow.h | File | 9.26 KB | 0644 |
|
| oxu210hp.h | File | 197 B | 0644 |
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| padata.h | File | 5.82 KB | 0644 |
|
| page-flags-layout.h | File | 2.99 KB | 0644 |
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| page-flags.h | File | 23.91 KB | 0644 |
|
| page-isolation.h | File | 1.9 KB | 0644 |
|
| page_counter.h | File | 1.46 KB | 0644 |
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| page_ext.h | File | 1.89 KB | 0644 |
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| page_idle.h | File | 2.62 KB | 0644 |
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| percpu.h | File | 5.02 KB | 0644 |
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| perf_event.h | File | 38.74 KB | 0644 |
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| perf_regs.h | File | 1.02 KB | 0644 |
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| phonet.h | File | 1.12 KB | 0644 |
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| phy_fixed.h | File | 1.64 KB | 0644 |
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| phy_led_triggers.h | File | 1.46 KB | 0644 |
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| phylink.h | File | 5.06 KB | 0644 |
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| pid.h | File | 5.77 KB | 0644 |
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| pim.h | File | 2.67 KB | 0644 |
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| pipe_fs_i.h | File | 6.46 KB | 0644 |
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| pktcdvd.h | File | 5.87 KB | 0644 |
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| plist.h | File | 8.69 KB | 0644 |
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| pm-trace.h | File | 940 B | 0644 |
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| pm2301_charger.h | File | 1.68 KB | 0644 |
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| pm_clock.h | File | 2.45 KB | 0644 |
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| pm_domain.h | File | 9.03 KB | 0644 |
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| pm_opp.h | File | 10.08 KB | 0644 |
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| pm_qos.h | File | 8.51 KB | 0644 |
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| pm_runtime.h | File | 8.52 KB | 0644 |
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| pm_wakeirq.h | File | 1.31 KB | 0644 |
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| pm_wakeup.h | File | 6.61 KB | 0644 |
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| pmu.h | File | 2.34 KB | 0644 |
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| pnfs_osd_xdr.h | File | 9.27 KB | 0644 |
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| pnp.h | File | 14.89 KB | 0644 |
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| poison.h | File | 2.66 KB | 0644 |
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| poll.h | File | 3.24 KB | 0644 |
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| posix-clock.h | File | 4.55 KB | 0644 |
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| posix-timers.h | File | 3.55 KB | 0644 |
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| posix_acl.h | File | 3.06 KB | 0644 |
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| posix_acl_xattr.h | File | 1.58 KB | 0644 |
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| power_supply.h | File | 13.41 KB | 0644 |
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| powercap.h | File | 12.59 KB | 0644 |
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| ppp-comp.h | File | 3.1 KB | 0644 |
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| ppp_channel.h | File | 3.07 KB | 0644 |
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| ppp_defs.h | File | 454 B | 0644 |
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| pps-gpio.h | File | 1.01 KB | 0644 |
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| pps_kernel.h | File | 3.55 KB | 0644 |
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| pr.h | File | 566 B | 0644 |
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| prandom.h | File | 2.81 KB | 0644 |
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| preempt.h | File | 9.33 KB | 0644 |
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| prefetch.h | File | 1.54 KB | 0644 |
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| prime_numbers.h | File | 1.35 KB | 0644 |
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| printk.h | File | 15.24 KB | 0644 |
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| proc_fs.h | File | 3.26 KB | 0644 |
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| proc_ns.h | File | 2.44 KB | 0644 |
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| processor.h | File | 2.14 KB | 0644 |
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| profile.h | File | 2.68 KB | 0644 |
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| projid.h | File | 2.34 KB | 0644 |
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| property.h | File | 9.79 KB | 0644 |
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| psci.h | File | 1.87 KB | 0644 |
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| pstore.h | File | 7.58 KB | 0644 |
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| pstore_ram.h | File | 2.89 KB | 0644 |
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| pti.h | File | 240 B | 0644 |
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| ptp_classify.h | File | 2.89 KB | 0644 |
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| ptp_clock_kernel.h | File | 8.56 KB | 0644 |
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| ptr_ring.h | File | 16.29 KB | 0644 |
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| ptrace.h | File | 14.57 KB | 0644 |
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| purgatory.h | File | 589 B | 0644 |
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| pvclock_gtod.h | File | 548 B | 0644 |
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| pwm.h | File | 16.8 KB | 0644 |
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| pwm_backlight.h | File | 740 B | 0644 |
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| pxa168_eth.h | File | 728 B | 0644 |
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| pxa2xx_ssp.h | File | 9.8 KB | 0644 |
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| qcom_scm.h | File | 4.12 KB | 0644 |
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| qnx6_fs.h | File | 3.27 KB | 0644 |
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| quicklist.h | File | 2.13 KB | 0644 |
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| quota.h | File | 18.87 KB | 0644 |
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| quotaops.h | File | 10.17 KB | 0644 |
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| radix-tree.h | File | 21.77 KB | 0644 |
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| raid_class.h | File | 2.08 KB | 0644 |
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| ramfs.h | File | 762 B | 0644 |
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| random.h | File | 3.99 KB | 0644 |
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| range.h | File | 651 B | 0644 |
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| ras.h | File | 1.18 KB | 0644 |
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| ratelimit.h | File | 2.81 KB | 0644 |
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| rational.h | File | 639 B | 0644 |
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| rbtree.h | File | 5.36 KB | 0644 |
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| rbtree_augmented.h | File | 8.67 KB | 0644 |
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| rbtree_latch.h | File | 6.62 KB | 0644 |
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| rcu_node_tree.h | File | 4.34 KB | 0644 |
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| rcu_segcblist.h | File | 3.26 KB | 0644 |
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| rcu_sync.h | File | 2.57 KB | 0644 |
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| rculist.h | File | 23.53 KB | 0644 |
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| rculist_bl.h | File | 4.36 KB | 0644 |
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| rculist_nulls.h | File | 6.17 KB | 0644 |
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| rcupdate.h | File | 32.58 KB | 0644 |
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| rcupdate_wait.h | File | 1.63 KB | 0644 |
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| rcutiny.h | File | 3.64 KB | 0644 |
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| rcutree.h | File | 3.56 KB | 0644 |
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| rcuwait.h | File | 1.82 KB | 0644 |
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| reboot-mode.h | File | 600 B | 0644 |
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| reboot.h | File | 2.05 KB | 0644 |
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| reciprocal_div.h | File | 1.01 KB | 0644 |
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| refcount.h | File | 2.6 KB | 0644 |
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| regmap.h | File | 42.34 KB | 0644 |
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| regset.h | File | 15.08 KB | 0644 |
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| relay.h | File | 8.84 KB | 0644 |
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| remoteproc.h | File | 18.48 KB | 0644 |
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| reservation.h | File | 8.12 KB | 0644 |
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| reset-controller.h | File | 2.16 KB | 0644 |
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| reset.h | File | 13.69 KB | 0644 |
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| resource.h | File | 339 B | 0644 |
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| resource_ext.h | File | 2.22 KB | 0644 |
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| restart_block.h | File | 1.11 KB | 0644 |
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| rfkill.h | File | 9.89 KB | 0644 |
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| rhashtable.h | File | 38.24 KB | 0644 |
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| ring_buffer.h | File | 6.79 KB | 0644 |
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| rio.h | File | 19.23 KB | 0644 |
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| rio_drv.h | File | 14.71 KB | 0644 |
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| rio_ids.h | File | 1.29 KB | 0644 |
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| rio_regs.h | File | 19.27 KB | 0644 |
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| rmap.h | File | 8.92 KB | 0644 |
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| rmi.h | File | 12.13 KB | 0644 |
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| rndis.h | File | 16.86 KB | 0644 |
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| rodata_test.h | File | 559 B | 0644 |
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| root_dev.h | File | 579 B | 0644 |
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| rpmsg.h | File | 8.37 KB | 0644 |
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| rslib.h | File | 2.99 KB | 0644 |
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| rtc.h | File | 8.71 KB | 0644 |
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| rtmutex.h | File | 3.47 KB | 0644 |
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| rtnetlink.h | File | 4.27 KB | 0644 |
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| rtsx_common.h | File | 1.44 KB | 0644 |
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| rtsx_pci.h | File | 40.14 KB | 0644 |
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| rtsx_usb.h | File | 15.95 KB | 0644 |
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| rwlock.h | File | 4.35 KB | 0644 |
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| rwlock_api_smp.h | File | 7.67 KB | 0644 |
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| rwlock_types.h | File | 1.12 KB | 0644 |
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| rwsem-spinlock.h | File | 1.58 KB | 0644 |
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| rwsem.h | File | 6 KB | 0644 |
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| s3c_adc_battery.h | File | 971 B | 0644 |
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| sa11x0-dma.h | File | 572 B | 0644 |
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| sbitmap.h | File | 13.56 KB | 0644 |
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| scatterlist.h | File | 13.29 KB | 0644 |
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| scc.h | File | 2.84 KB | 0644 |
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| sched.h | File | 47.45 KB | 0644 |
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| sched_clock.h | File | 661 B | 0644 |
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| scif.h | File | 58.85 KB | 0644 |
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| scpi_protocol.h | File | 2.58 KB | 0644 |
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| screen_info.h | File | 191 B | 0644 |
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| sctp.h | File | 21.92 KB | 0644 |
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| scx200.h | File | 1.82 KB | 0644 |
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| scx200_gpio.h | File | 2.38 KB | 0644 |
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| sdb.h | File | 4.17 KB | 0644 |
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| sdla.h | File | 6.9 KB | 0644 |
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| seccomp.h | File | 2.66 KB | 0644 |
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| securebits.h | File | 239 B | 0644 |
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| security.h | File | 47.81 KB | 0644 |
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| sed-opal.h | File | 1.94 KB | 0644 |
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| seg6.h | File | 121 B | 0644 |
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| seg6_genl.h | File | 136 B | 0644 |
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| seg6_hmac.h | File | 136 B | 0644 |
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| seg6_iptunnel.h | File | 148 B | 0644 |
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| seg6_local.h | File | 100 B | 0644 |
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| selection.h | File | 1.41 KB | 0644 |
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| selinux.h | File | 910 B | 0644 |
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| sem.h | File | 2.02 KB | 0644 |
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| semaphore.h | File | 1.36 KB | 0644 |
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| seq_buf.h | File | 3.15 KB | 0644 |
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| seq_file.h | File | 6.68 KB | 0644 |
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| seq_file_net.h | File | 713 B | 0644 |
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| seqlock.h | File | 16.48 KB | 0644 |
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| seqno-fence.h | File | 3.96 KB | 0644 |
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| serdev.h | File | 9.48 KB | 0644 |
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| serial.h | File | 630 B | 0644 |
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| serial_8250.h | File | 6.01 KB | 0644 |
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| serial_bcm63xx.h | File | 4.73 KB | 0644 |
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| serial_core.h | File | 17.19 KB | 0644 |
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| serial_max3100.h | File | 1.39 KB | 0644 |
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| serial_pnx8xxx.h | File | 2.61 KB | 0644 |
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| serial_s3c.h | File | 9.24 KB | 0644 |
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| serial_sci.h | File | 1.57 KB | 0644 |
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| serio.h | File | 4.42 KB | 0644 |
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| set_memory.h | File | 740 B | 0644 |
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| sfi.h | File | 5.75 KB | 0644 |
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| sfi_acpi.h | File | 3.39 KB | 0644 |
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| sfp.h | File | 10.4 KB | 0644 |
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| sh_clk.h | File | 5.96 KB | 0644 |
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| sh_dma.h | File | 3.61 KB | 0644 |
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| sh_eth.h | File | 417 B | 0644 |
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| sh_intc.h | File | 3.42 KB | 0644 |
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| sh_timer.h | File | 172 B | 0644 |
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| shdma-base.h | File | 4.41 KB | 0644 |
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| shm.h | File | 1.71 KB | 0644 |
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| shmem_fs.h | File | 5.33 KB | 0644 |
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| shrinker.h | File | 2.82 KB | 0644 |
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| signal.h | File | 12.57 KB | 0644 |
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| signal_types.h | File | 1.13 KB | 0644 |
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| signalfd.h | File | 817 B | 0644 |
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| siphash.h | File | 5.59 KB | 0644 |
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| sirfsoc_dma.h | File | 162 B | 0644 |
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| sizes.h | File | 1.26 KB | 0644 |
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| skb_array.h | File | 5.17 KB | 0644 |
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| skbuff.h | File | 120.16 KB | 0644 |
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| slab.h | File | 21.45 KB | 0644 |
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| slab_def.h | File | 2.37 KB | 0644 |
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| slub_def.h | File | 5.44 KB | 0644 |
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| sm501-regs.h | File | 11.76 KB | 0644 |
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| sm501.h | File | 4.63 KB | 0644 |
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| smc911x.h | File | 294 B | 0644 |
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| smc91x.h | File | 1.57 KB | 0644 |
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| smp.h | File | 5.67 KB | 0644 |
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| smpboot.h | File | 2.17 KB | 0644 |
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| smsc911x.h | File | 2.29 KB | 0644 |
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| smscphy.h | File | 1.25 KB | 0644 |
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| sock_diag.h | File | 2.16 KB | 0644 |
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| socket.h | File | 11.35 KB | 0644 |
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| sonet.h | File | 469 B | 0644 |
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| sony-laptop.h | File | 1.28 KB | 0644 |
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| sonypi.h | File | 2.35 KB | 0644 |
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| sort.h | File | 247 B | 0644 |
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| sound.h | File | 807 B | 0644 |
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| soundcard.h | File | 1.59 KB | 0644 |
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| spinlock.h | File | 11.04 KB | 0644 |
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| spinlock_api_smp.h | File | 5.4 KB | 0644 |
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| spinlock_api_up.h | File | 3.31 KB | 0644 |
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| spinlock_types.h | File | 1.99 KB | 0644 |
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| spinlock_types_up.h | File | 726 B | 0644 |
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| spinlock_up.h | File | 2.16 KB | 0644 |
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| splice.h | File | 3.01 KB | 0644 |
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| spmi.h | File | 5.95 KB | 0644 |
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| sram.h | File | 844 B | 0644 |
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| srcu.h | File | 6.38 KB | 0644 |
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| srcutiny.h | File | 3.18 KB | 0644 |
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| srcutree.h | File | 5.15 KB | 0644 |
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| ssbi.h | File | 1.11 KB | 0644 |
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| stackdepot.h | File | 967 B | 0644 |
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| stackprotector.h | File | 324 B | 0644 |
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| stacktrace.h | File | 1.45 KB | 0644 |
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| start_kernel.h | File | 334 B | 0644 |
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| stat.h | File | 1.18 KB | 0644 |
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| statfs.h | File | 1.31 KB | 0644 |
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| static_key.h | File | 30 B | 0644 |
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| stddef.h | File | 620 B | 0644 |
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| ste_modem_shm.h | File | 1.59 KB | 0644 |
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| stm.h | File | 4.75 KB | 0644 |
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| stmmac.h | File | 5.39 KB | 0644 |
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| stmp3xxx_rtc_wdt.h | File | 332 B | 0644 |
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| stmp_device.h | File | 619 B | 0644 |
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| stop_machine.h | File | 4.68 KB | 0644 |
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| string.h | File | 14.97 KB | 0644 |
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| string_helpers.h | File | 2.17 KB | 0644 |
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| stringhash.h | File | 2.65 KB | 0644 |
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| stringify.h | File | 341 B | 0644 |
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| sudmac.h | File | 1.24 KB | 0644 |
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| sungem_phy.h | File | 3.94 KB | 0644 |
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| sunserialcore.h | File | 1.08 KB | 0644 |
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| sunxi-rsb.h | File | 2.89 KB | 0644 |
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| superhyway.h | File | 2.81 KB | 0644 |
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| suspend.h | File | 19.13 KB | 0644 |
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| svga.h | File | 3.75 KB | 0644 |
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| sw842.h | File | 328 B | 0644 |
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| swab.h | File | 569 B | 0644 |
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| swait.h | File | 9.33 KB | 0644 |
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| swap.h | File | 21.58 KB | 0644 |
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| swap_cgroup.h | File | 971 B | 0644 |
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| swap_slots.h | File | 840 B | 0644 |
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| swapfile.h | File | 556 B | 0644 |
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| swapops.h | File | 9.27 KB | 0644 |
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| swiotlb.h | File | 3.8 KB | 0644 |
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| switchtec.h | File | 8.1 KB | 0644 |
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| sxgbe_platform.h | File | 1.34 KB | 0644 |
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| sync_file.h | File | 1.57 KB | 0644 |
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| synclink.h | File | 989 B | 0644 |
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| sys.h | File | 960 B | 0644 |
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| sys_soc.h | File | 1.21 KB | 0644 |
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| syscalls.h | File | 39.85 KB | 0644 |
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| syscore_ops.h | File | 635 B | 0644 |
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| sysctl.h | File | 7.36 KB | 0644 |
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| sysfs.h | File | 15.41 KB | 0644 |
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| syslog.h | File | 1.89 KB | 0644 |
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| sysrq.h | File | 1.79 KB | 0644 |
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| sysv_fs.h | File | 9.03 KB | 0644 |
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| t10-pi.h | File | 1.21 KB | 0644 |
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| task_io_accounting.h | File | 1.13 KB | 0644 |
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| task_io_accounting_ops.h | File | 2.55 KB | 0644 |
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| task_work.h | File | 617 B | 0644 |
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| taskstats_kern.h | File | 957 B | 0644 |
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| tboot.h | File | 3.99 KB | 0644 |
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| tc.h | File | 3.45 KB | 0644 |
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| tca6416_keypad.h | File | 847 B | 0644 |
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| tcp.h | File | 15.13 KB | 0644 |
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| tee_drv.h | File | 8.27 KB | 0644 |
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| textsearch.h | File | 4.73 KB | 0644 |
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| textsearch_fsm.h | File | 1.19 KB | 0644 |
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| tfrc.h | File | 1.89 KB | 0644 |
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| thermal.h | File | 19.62 KB | 0644 |
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| thinkpad_acpi.h | File | 320 B | 0644 |
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| thread_info.h | File | 4.1 KB | 0644 |
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| threads.h | File | 1.28 KB | 0644 |
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| thunderbolt.h | File | 19.02 KB | 0644 |
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| ti_wilink_st.h | File | 14.07 KB | 0644 |
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| tick.h | File | 7.88 KB | 0644 |
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| tifm.h | File | 4.8 KB | 0644 |
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| timb_dma.h | File | 1.74 KB | 0644 |
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| timb_gpio.h | File | 1.28 KB | 0644 |
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| time.h | File | 3.71 KB | 0644 |
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| time32.h | File | 5.64 KB | 0644 |
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| time64.h | File | 4.01 KB | 0644 |
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| timecounter.h | File | 4.58 KB | 0644 |
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| timekeeper_internal.h | File | 5.01 KB | 0644 |
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| timekeeping.h | File | 5.17 KB | 0644 |
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| timekeeping32.h | File | 3.13 KB | 0644 |
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| timer.h | File | 6.74 KB | 0644 |
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| timerfd.h | File | 508 B | 0644 |
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| timeriomem-rng.h | File | 475 B | 0644 |
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| timerqueue.h | File | 1.18 KB | 0644 |
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| timex.h | File | 6.61 KB | 0644 |
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| tnum.h | File | 2.74 KB | 0644 |
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| topology.h | File | 4.85 KB | 0644 |
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| torture.h | File | 3.58 KB | 0644 |
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| toshiba.h | File | 904 B | 0644 |
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| tpm.h | File | 3 KB | 0644 |
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| tpm_command.h | File | 847 B | 0644 |
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| trace.h | File | 964 B | 0644 |
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| trace_clock.h | File | 667 B | 0644 |
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| trace_events.h | File | 16.65 KB | 0644 |
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| trace_seq.h | File | 3.74 KB | 0644 |
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| tracefs.h | File | 1.19 KB | 0644 |
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| tracehook.h | File | 7.08 KB | 0644 |
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| tracepoint-defs.h | File | 778 B | 0644 |
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| tracepoint.h | File | 16.26 KB | 0644 |
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| transport_class.h | File | 2.5 KB | 0644 |
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| ts-nbus.h | File | 532 B | 0644 |
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| tsacct_kern.h | File | 1.2 KB | 0644 |
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| tty.h | File | 28.03 KB | 0644 |
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| tty_driver.h | File | 15.45 KB | 0644 |
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| tty_flip.h | File | 1.62 KB | 0644 |
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| tty_ldisc.h | File | 7.69 KB | 0644 |
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| typecheck.h | File | 624 B | 0644 |
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| types.h | File | 5.61 KB | 0644 |
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| u64_stats_sync.h | File | 5.43 KB | 0644 |
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| uaccess.h | File | 9.95 KB | 0644 |
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| ucb1400.h | File | 4.26 KB | 0644 |
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| ucs2_string.h | File | 662 B | 0644 |
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| udp.h | File | 3.65 KB | 0644 |
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| uidgid.h | File | 4.07 KB | 0644 |
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| uio.h | File | 7.66 KB | 0644 |
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| uio_driver.h | File | 4.07 KB | 0644 |
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| umh.h | File | 1.79 KB | 0644 |
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| uprobes.h | File | 6.28 KB | 0644 |
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| usb.h | File | 75.46 KB | 0644 |
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| usb_usual.h | File | 3.58 KB | 0644 |
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| usbdevice_fs.h | File | 2.18 KB | 0644 |
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| user-return-notifier.h | File | 1.18 KB | 0644 |
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| user.h | File | 22 B | 0644 |
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| user_namespace.h | File | 4.34 KB | 0644 |
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| userfaultfd_k.h | File | 3.57 KB | 0644 |
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| util_macros.h | File | 1.17 KB | 0644 |
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| uts.h | File | 388 B | 0644 |
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| utsname.h | File | 1.72 KB | 0644 |
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| uuid.h | File | 2.35 KB | 0644 |
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| uwb.h | File | 25.22 KB | 0644 |
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| verification.h | File | 1.57 KB | 0644 |
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| vermagic.h | File | 1.05 KB | 0644 |
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| vexpress.h | File | 1.44 KB | 0644 |
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| vfio.h | File | 6.32 KB | 0644 |
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| vfs.h | File | 116 B | 0644 |
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| vga_switcheroo.h | File | 8.4 KB | 0644 |
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| vgaarb.h | File | 5.12 KB | 0644 |
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| via-core.h | File | 7.27 KB | 0644 |
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| via-gpio.h | File | 334 B | 0644 |
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| via.h | File | 932 B | 0644 |
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| via_i2c.h | File | 1.48 KB | 0644 |
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| videodev2.h | File | 2.68 KB | 0644 |
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| virtio.h | File | 7.07 KB | 0644 |
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| virtio_byteorder.h | File | 1.46 KB | 0644 |
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| virtio_caif.h | File | 492 B | 0644 |
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| virtio_config.h | File | 12.82 KB | 0644 |
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| virtio_console.h | File | 1.93 KB | 0644 |
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| virtio_net.h | File | 5.33 KB | 0644 |
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| virtio_ring.h | File | 2.96 KB | 0644 |
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| virtio_vsock.h | File | 5.05 KB | 0644 |
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| vlynq.h | File | 3.88 KB | 0644 |
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| vm_event_item.h | File | 2.96 KB | 0644 |
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| vm_sockets.h | File | 703 B | 0644 |
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| vmacache.h | File | 932 B | 0644 |
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| vmalloc.h | File | 6.29 KB | 0644 |
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| vme.h | File | 5.66 KB | 0644 |
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| vmpressure.h | File | 1.7 KB | 0644 |
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| vmstat.h | File | 10.93 KB | 0644 |
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| vmw_vmci_api.h | File | 3.19 KB | 0644 |
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| vmw_vmci_defs.h | File | 27.93 KB | 0644 |
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| vringh.h | File | 7.76 KB | 0644 |
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| vt.h | File | 611 B | 0644 |
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| vt_buffer.h | File | 1.49 KB | 0644 |
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| vt_kern.h | File | 6.21 KB | 0644 |
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| vtime.h | File | 3.57 KB | 0644 |
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| w1-gpio.h | File | 729 B | 0644 |
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| w1.h | File | 9.13 KB | 0644 |
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| wait.h | File | 36.36 KB | 0644 |
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| wait_bit.h | File | 9.85 KB | 0644 |
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| wanrouter.h | File | 210 B | 0644 |
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| watchdog.h | File | 7.81 KB | 0644 |
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| win_minmax.h | File | 832 B | 0644 |
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| wireless.h | File | 1.4 KB | 0644 |
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| wkup_m3_ipc.h | File | 1.53 KB | 0644 |
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| wl12xx.h | File | 1.39 KB | 0644 |
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| wm97xx.h | File | 10.61 KB | 0644 |
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| wmi.h | File | 1.94 KB | 0644 |
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| workqueue.h | File | 21.56 KB | 0644 |
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| writeback.h | File | 12.13 KB | 0644 |
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| ww_mutex.h | File | 12.42 KB | 0644 |
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| xattr.h | File | 3.38 KB | 0644 |
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| xxhash.h | File | 7.65 KB | 0644 |
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| xz.h | File | 11.16 KB | 0644 |
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| yam.h | File | 2.82 KB | 0644 |
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| z2_battery.h | File | 318 B | 0644 |
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| zbud.h | File | 740 B | 0644 |
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| zconf.h | File | 1.73 KB | 0644 |
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| zlib.h | File | 27.97 KB | 0644 |
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| zorro.h | File | 3.94 KB | 0644 |
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| zpool.h | File | 2.99 KB | 0644 |
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| zsmalloc.h | File | 1.64 KB | 0644 |
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| zstd.h | File | 48.64 KB | 0644 |
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| zutil.h | File | 2.73 KB | 0644 |
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