diff options
Diffstat (limited to 'include/asm-sh/pgalloc.h')
| -rw-r--r-- | include/asm-sh/pgalloc.h | 37 |
1 files changed, 4 insertions, 33 deletions
diff --git a/include/asm-sh/pgalloc.h b/include/asm-sh/pgalloc.h index f4f233f7a4f5..e841465ab4d2 100644 --- a/include/asm-sh/pgalloc.h +++ b/include/asm-sh/pgalloc.h | |||
| @@ -1,15 +1,6 @@ | |||
| 1 | #ifndef __ASM_SH_PGALLOC_H | 1 | #ifndef __ASM_SH_PGALLOC_H |
| 2 | #define __ASM_SH_PGALLOC_H | 2 | #define __ASM_SH_PGALLOC_H |
| 3 | 3 | ||
| 4 | #include <linux/threads.h> | ||
| 5 | #include <linux/slab.h> | ||
| 6 | #include <linux/mm.h> | ||
| 7 | |||
| 8 | #define pgd_quicklist ((unsigned long *)0) | ||
| 9 | #define pmd_quicklist ((unsigned long *)0) | ||
| 10 | #define pte_quicklist ((unsigned long *)0) | ||
| 11 | #define pgtable_cache_size 0L | ||
| 12 | |||
| 13 | #define pmd_populate_kernel(mm, pmd, pte) \ | 4 | #define pmd_populate_kernel(mm, pmd, pte) \ |
| 14 | set_pmd(pmd, __pmd(_PAGE_TABLE + __pa(pte))) | 5 | set_pmd(pmd, __pmd(_PAGE_TABLE + __pa(pte))) |
| 15 | 6 | ||
| @@ -24,38 +15,24 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, | |||
| 24 | */ | 15 | */ |
| 25 | static inline pgd_t *pgd_alloc(struct mm_struct *mm) | 16 | static inline pgd_t *pgd_alloc(struct mm_struct *mm) |
| 26 | { | 17 | { |
| 27 | unsigned int pgd_size = (USER_PTRS_PER_PGD * sizeof(pgd_t)); | 18 | return (pgd_t *)__get_free_page(GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO); |
| 28 | pgd_t *pgd = (pgd_t *)kmalloc(pgd_size, GFP_KERNEL); | ||
| 29 | |||
| 30 | if (pgd) | ||
| 31 | memset(pgd, 0, pgd_size); | ||
| 32 | |||
| 33 | return pgd; | ||
| 34 | } | 19 | } |
| 35 | 20 | ||
| 36 | static inline void pgd_free(pgd_t *pgd) | 21 | static inline void pgd_free(pgd_t *pgd) |
| 37 | { | 22 | { |
| 38 | kfree(pgd); | 23 | free_page((unsigned long)pgd); |
| 39 | } | 24 | } |
| 40 | 25 | ||
| 41 | static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, | 26 | static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, |
| 42 | unsigned long address) | 27 | unsigned long address) |
| 43 | { | 28 | { |
| 44 | pte_t *pte; | 29 | return (pte_t *)__get_free_page(GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO); |
| 45 | |||
| 46 | pte = (pte_t *) __get_free_page(GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO); | ||
| 47 | |||
| 48 | return pte; | ||
| 49 | } | 30 | } |
| 50 | 31 | ||
| 51 | static inline struct page *pte_alloc_one(struct mm_struct *mm, | 32 | static inline struct page *pte_alloc_one(struct mm_struct *mm, |
| 52 | unsigned long address) | 33 | unsigned long address) |
| 53 | { | 34 | { |
| 54 | struct page *pte; | 35 | return alloc_page(GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO); |
| 55 | |||
| 56 | pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO, 0); | ||
| 57 | |||
| 58 | return pte; | ||
| 59 | } | 36 | } |
| 60 | 37 | ||
| 61 | static inline void pte_free_kernel(pte_t *pte) | 38 | static inline void pte_free_kernel(pte_t *pte) |
| @@ -75,14 +52,8 @@ static inline void pte_free(struct page *pte) | |||
| 75 | * inside the pgd, so has no extra memory associated with it. | 52 | * inside the pgd, so has no extra memory associated with it. |
| 76 | */ | 53 | */ |
| 77 | 54 | ||
| 78 | #define pmd_alloc_one(mm, addr) ({ BUG(); ((pmd_t *)2); }) | ||
| 79 | #define pmd_free(x) do { } while (0) | 55 | #define pmd_free(x) do { } while (0) |
| 80 | #define __pmd_free_tlb(tlb,x) do { } while (0) | 56 | #define __pmd_free_tlb(tlb,x) do { } while (0) |
| 81 | #define pgd_populate(mm, pmd, pte) BUG() | ||
| 82 | #define check_pgt_cache() do { } while (0) | 57 | #define check_pgt_cache() do { } while (0) |
| 83 | 58 | ||
| 84 | #ifdef CONFIG_CPU_SH4 | ||
| 85 | #define PG_mapped PG_arch_1 | ||
| 86 | #endif | ||
| 87 | |||
| 88 | #endif /* __ASM_SH_PGALLOC_H */ | 59 | #endif /* __ASM_SH_PGALLOC_H */ |
