diff options
| author | Michal Marek <mmarek@suse.cz> | 2010-08-04 15:59:13 +0400 |
|---|---|---|
| committer | Michal Marek <mmarek@suse.cz> | 2010-08-04 15:59:13 +0400 |
| commit | 772320e84588dcbe1600ffb83e5f328f2209ac2a (patch) | |
| tree | a7de21b79340aeaa17c58126f6b801b82c77b53a /arch/sh/include/asm/pgalloc.h | |
| parent | 1ce53adf13a54375d2a5c7cdbe341b2558389615 (diff) | |
| parent | 9fe6206f400646a2322096b56c59891d530e8d51 (diff) | |
| download | linux-772320e84588dcbe1600ffb83e5f328f2209ac2a.tar.xz | |
Merge commit 'v2.6.35' into kbuild/kbuild
Conflicts:
arch/powerpc/Makefile
Diffstat (limited to 'arch/sh/include/asm/pgalloc.h')
| -rw-r--r-- | arch/sh/include/asm/pgalloc.h | 32 |
1 files changed, 10 insertions, 22 deletions
diff --git a/arch/sh/include/asm/pgalloc.h b/arch/sh/include/asm/pgalloc.h index 63ca37bd9a95..8c00785c60d5 100644 --- a/arch/sh/include/asm/pgalloc.h +++ b/arch/sh/include/asm/pgalloc.h @@ -4,8 +4,16 @@ #include <linux/quicklist.h> #include <asm/page.h> -#define QUICK_PGD 0 /* We preserve special mappings over free */ -#define QUICK_PT 1 /* Other page table pages that are zero on free */ +#define QUICK_PT 0 /* Other page table pages that are zero on free */ + +extern pgd_t *pgd_alloc(struct mm_struct *); +extern void pgd_free(struct mm_struct *mm, pgd_t *pgd); + +#if PAGETABLE_LEVELS > 2 +extern void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd); +extern pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address); +extern void pmd_free(struct mm_struct *mm, pmd_t *pmd); +#endif static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte) @@ -20,28 +28,9 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, } #define pmd_pgtable(pmd) pmd_page(pmd) -static inline void pgd_ctor(void *x) -{ - pgd_t *pgd = x; - - memcpy(pgd + USER_PTRS_PER_PGD, - swapper_pg_dir + USER_PTRS_PER_PGD, - (PTRS_PER_PGD - USER_PTRS_PER_PGD) * sizeof(pgd_t)); -} - /* * Allocate and free page tables. */ -static inline pgd_t *pgd_alloc(struct mm_struct *mm) -{ - return quicklist_alloc(QUICK_PGD, GFP_KERNEL | __GFP_REPEAT, pgd_ctor); -} - -static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) -{ - quicklist_free(QUICK_PGD, NULL, pgd); -} - static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) { @@ -81,7 +70,6 @@ do { \ static inline void check_pgt_cache(void) { - quicklist_trim(QUICK_PGD, NULL, 25, 16); quicklist_trim(QUICK_PT, NULL, 25, 16); } |