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/* pgalloc.h: Page allocation routines for FRV
 *
 * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells (dhowells@redhat.com)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 *
 * Derived from:
 *	include/asm-m68knommu/pgalloc.h
 *	include/asm-i386/pgalloc.h
 */
#ifndef _ASM_PGALLOC_H
#define _ASM_PGALLOC_H

#include <asm/setup.h>
#include <asm/virtconvert.h>

#ifdef CONFIG_MMU

#define pmd_populate_kernel(mm, pmd, pte) __set_pmd(pmd, __pa(pte) | _PAGE_TABLE)
#define pmd_populate(MM, PMD, PAGE)						\
do {										\
	__set_pmd((PMD), page_to_pfn(PAGE) << PAGE_SHIFT | _PAGE_TABLE);	\
} while(0)
#define pmd_pgtable(pmd) pmd_page(pmd)

/*
 * Allocate and free page tables.
 */

extern pgd_t *pgd_alloc(struct mm_struct *);
extern void pgd_free(struct mm_struct *mm, pgd_t *);

extern pte_t *pte_alloc_one_kernel(struct mm_struct *, unsigned long);

extern pgtable_t pte_alloc_one(struct mm_struct *, unsigned long);

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

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

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

/*
 * allocating and freeing a pmd is trivial: the 1-entry pmd is
 * inside the pgd, so has no extra memory associated with it.
 * (In the PAE case we free the pmds as part of the pgd.)
 */
#define pmd_alloc_one(mm, addr)		({ BUG(); ((pmd_t *) 2); })
#define pmd_free(mm, x)			do { } while (0)
#define __pmd_free_tlb(tlb,x,a)		do { } while (0)

#endif /* CONFIG_MMU */

#endif /* _ASM_PGALLOC_H */

Filemanager

Name Type Size Permission Actions
Kbuild File 290 B 0644
asm-offsets.h File 35 B 0644
atomic.h File 4.97 KB 0644
atomic_defs.h File 4.66 KB 0644
ax88796.h File 751 B 0644
barrier.h File 720 B 0644
bitops.h File 7.12 KB 0644
bug.h File 1.36 KB 0644
bugs.h File 445 B 0644
busctl-regs.h File 2.02 KB 0644
cache.h File 727 B 0644
cacheflush.h File 3.05 KB 0644
checksum.h File 4.53 KB 0644
cmpxchg.h File 4.56 KB 0644
cpu-irqs.h File 2.59 KB 0644
current.h File 685 B 0644
delay.h File 1.28 KB 0644
div64.h File 31 B 0644
dm9000.h File 1.12 KB 0644
dma-mapping.h File 448 B 0644
dma.h File 3.63 KB 0644
elf.h File 5.18 KB 0644
emergency-restart.h File 149 B 0644
fpu.h File 261 B 0644
ftrace.h File 12 B 0644
futex.h File 416 B 0644
gdb-stub.h File 4.47 KB 0644
gpio-regs.h File 3.64 KB 0644
hardirq.h File 666 B 0644
highmem.h File 4.09 KB 0644
hw_irq.h File 484 B 0644
io.h File 9.75 KB 0644
irc-regs.h File 1.78 KB 0644
irq.h File 760 B 0644
irq_regs.h File 764 B 0644
irqflags.h File 3.71 KB 0644
kdebug.h File 32 B 0644
kmap_types.h File 123 B 0644
linkage.h File 114 B 0644
local.h File 140 B 0644
local64.h File 33 B 0644
math-emu.h File 6.38 KB 0644
mb-regs.h File 6.94 KB 0644
mb86943a.h File 1.84 KB 0644
mb93091-fpga-irqs.h File 1.06 KB 0644
mb93093-fpga-irqs.h File 789 B 0644
mb93493-irqs.h File 1.69 KB 0644
mb93493-regs.h File 12.46 KB 0644
mem-layout.h File 2.21 KB 0644
mmu.h File 1.26 KB 0644
mmu_context.h File 1.38 KB 0644
module.h File 617 B 0644
page.h File 2.08 KB 0644
pci.h File 1.23 KB 0644
percpu.h File 147 B 0644
perf_event.h File 487 B 0644
pgalloc.h File 1.87 KB 0644
pgtable.h File 16.02 KB 0644
processor.h File 2.85 KB 0644
ptrace.h File 1.2 KB 0644
sections.h File 1.1 KB 0644
segment.h File 1.08 KB 0644
serial-regs.h File 1.63 KB 0644
serial.h File 308 B 0644
setup.h File 641 B 0644
shmparam.h File 183 B 0644
signal.h File 141 B 0644
smp.h File 139 B 0644
spinlock.h File 516 B 0644
spr-regs.h File 17.93 KB 0644
string.h File 1.36 KB 0644
switch_to.h File 1.07 KB 0644
syscall.h File 2.73 KB 0644
termios.h File 425 B 0644
thread_info.h File 3.48 KB 0644
timer-regs.h File 3.63 KB 0644
timex.h File 720 B 0644
tlb.h File 615 B 0644
tlbflush.h File 1.88 KB 0644
topology.h File 229 B 0644
types.h File 595 B 0644
uaccess.h File 6.79 KB 0644
ucontext.h File 281 B 0644
unaligned.h File 694 B 0644
unistd.h File 928 B 0644
user.h File 3.29 KB 0644
vga.h File 464 B 0644
virtconvert.h File 1.09 KB 0644
xor.h File 29 B 0644