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| author |   Jeremy Fitzhardinge <jeremy@goop.org> | 2008-03-17 16:37:03 -0700 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2008-04-24 23:57:31 +0200 |
| commit | ee5aa8d3ba65d76157f22b7afedd089d8acfe524 (patch) | |
| tree | bddbec4ffd9508c3bd7afaeebc15b28226022b6d | |
| parent | x86: add pud_alloc for 4-level pagetables (diff) | |
| download | linux-dev-ee5aa8d3ba65d76157f22b7afedd089d8acfe524.tar.xz linux-dev-ee5aa8d3ba65d76157f22b7afedd089d8acfe524.zip | |
x86/pgtable.h: demacro ptep_set_access_flags
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| -rw-r--r-- | arch/x86/mm/pgtable.c | 16 | ||||
| -rw-r--r-- | include/asm-x86/pgtable.h | 13 |
2 files changed, 19 insertions, 10 deletions
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c index 5accc08683c7..e7cda2057e1d 100644 --- a/arch/x86/mm/pgtable.c +++ b/arch/x86/mm/pgtable.c @@ -1,5 +1,6 @@ #include <linux/mm.h> #include <asm/pgalloc.h> +#include <asm/pgtable.h> #include <asm/tlb.h> pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) @@ -264,3 +265,18 @@ void pgd_free(struct mm_struct *mm, pgd_t *pgd) free_page((unsigned long)pgd); } #endif + +int ptep_set_access_flags(struct vm_area_struct *vma, + unsigned long address, pte_t *ptep, + pte_t entry, int dirty) +{ + int changed = !pte_same(*ptep, entry); + + if (changed && dirty) { + *ptep = entry; + pte_update_defer(vma->vm_mm, address, ptep); + flush_tlb_page(vma, address); + } + + return changed; +} diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h index f1d9f4a03f6f..feddddc2d97b 100644 --- a/include/asm-x86/pgtable.h +++ b/include/asm-x86/pgtable.h @@ -389,16 +389,9 @@ static inline void native_set_pte_at(struct mm_struct *mm, unsigned long addr, * bit at the same time. */ #define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS -#define ptep_set_access_flags(vma, address, ptep, entry, dirty) \ -({ \ - int __changed = !pte_same(*(ptep), entry); \ - if (__changed && dirty) { \ - *ptep = entry; \ - pte_update_defer((vma)->vm_mm, (address), (ptep)); \ - flush_tlb_page(vma, address); \ - } \ - __changed; \ -}) +extern int ptep_set_access_flags(struct vm_area_struct *vma, + unsigned long address, pte_t *ptep, + pte_t entry, int dirty); #define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG #define ptep_test_and_clear_young(vma, addr, ptep) ({ \ |