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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_SCORE_PGALLOC_H
#define _ASM_SCORE_PGALLOC_H

#include <linux/mm.h>
#include <linux/highmem.h>
static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
	pte_t *pte)
{
	set_pmd(pmd, __pmd((unsigned long)pte));
}

static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
	pgtable_t pte)
{
	set_pmd(pmd, __pmd((unsigned long)page_address(pte)));
}

#define pmd_pgtable(pmd)	pmd_page(pmd)

static inline pgd_t *pgd_alloc(struct mm_struct *mm)
{
	pgd_t *ret, *init;

	ret = (pgd_t *) __get_free_pages(GFP_KERNEL, PGD_ORDER);
	if (ret) {
		init = pgd_offset(&init_mm, 0UL);
		pgd_init((unsigned long)ret);
		memcpy(ret + USER_PTRS_PER_PGD, init + USER_PTRS_PER_PGD,
		(PTRS_PER_PGD - USER_PTRS_PER_PGD) * sizeof(pgd_t));
	}

	return ret;
}

static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
{
	free_pages((unsigned long)pgd, PGD_ORDER);
}

static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
	unsigned long address)
{
	pte_t *pte;

	pte = (pte_t *) __get_free_pages(GFP_KERNEL|__GFP_ZERO, PTE_ORDER);

	return pte;
}

static inline struct page *pte_alloc_one(struct mm_struct *mm,
	unsigned long address)
{
	struct page *pte;

	pte = alloc_pages(GFP_KERNEL, PTE_ORDER);
	if (!pte)
		return NULL;
	clear_highpage(pte);
	if (!pgtable_page_ctor(pte)) {
		__free_page(pte);
		return NULL;
	}
	return pte;
}

static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
{
	free_pages((unsigned long)pte, PTE_ORDER);
}

static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
{
	pgtable_page_dtor(pte);
	__free_pages(pte, PTE_ORDER);
}

#define __pte_free_tlb(tlb, pte, buf)			\
do {							\
	pgtable_page_dtor(pte);				\
	tlb_remove_page((tlb), pte);			\
} while (0)

#define check_pgt_cache()		do {} while (0)

#endif /* _ASM_SCORE_PGALLOC_H */

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Name Type Size Permission Actions
Kbuild File 340 B 0644
asm-offsets.h File 35 B 0644
asmmacro.h File 2.48 KB 0644
atomic.h File 187 B 0644
bitops.h File 266 B 0644
bug.h File 578 B 0644
bugs.h File 154 B 0644
cache.h File 199 B 0644
cacheflush.h File 1.63 KB 0644
checksum.h File 5.61 KB 0644
cmpxchg.h File 1.02 KB 0644
delay.h File 567 B 0644
device.h File 162 B 0644
div64.h File 158 B 0644
dma.h File 171 B 0644
elf.h File 2.84 KB 0644
emergency-restart.h File 206 B 0644
exec.h File 181 B 0644
fixmap.h File 2.38 KB 0644
ftrace.h File 90 B 0644
futex.h File 158 B 0644
hardirq.h File 166 B 0644
hw_irq.h File 90 B 0644
io.h File 212 B 0644
irq.h File 794 B 0644
irq_regs.h File 258 B 0644
irqflags.h File 1.9 KB 0644
kdebug.h File 162 B 0644
kmap_types.h File 178 B 0644
linkage.h File 189 B 0644
local.h File 158 B 0644
local64.h File 33 B 0644
mmu.h File 157 B 0644
mmu_context.h File 2.68 KB 0644
module.h File 949 B 0644
page.h File 2.84 KB 0644
pci.h File 81 B 0644
percpu.h File 162 B 0644
pgalloc.h File 1.81 KB 0644
pgtable-bits.h File 990 B 0644
pgtable.h File 7.29 KB 0644
processor.h File 2.39 KB 0644
ptrace.h File 749 B 0644
scoreregs.h File 1.4 KB 0644
segment.h File 513 B 0644
setup.h File 1.01 KB 0644
shmparam.h File 170 B 0644
string.h File 327 B 0644
switch_to.h File 323 B 0644
syscalls.h File 229 B 0644
thread_info.h File 2.55 KB 0644
timex.h File 216 B 0644
tlb.h File 538 B 0644
tlbflush.h File 3.02 KB 0644
topology.h File 170 B 0644
uaccess.h File 10.78 KB 0644
ucontext.h File 34 B 0644
unaligned.h File 174 B 0644
user.h File 437 B 0644