diff options
Diffstat (limited to 'arch/microblaze/include/asm/pgalloc.h')
| -rw-r--r-- | arch/microblaze/include/asm/pgalloc.h | 44 |
1 files changed, 17 insertions, 27 deletions
diff --git a/arch/microblaze/include/asm/pgalloc.h b/arch/microblaze/include/asm/pgalloc.h index 59a757e46ba..7fdf7fabc7d 100644 --- a/arch/microblaze/include/asm/pgalloc.h +++ b/arch/microblaze/include/asm/pgalloc.h @@ -19,6 +19,7 @@ #include <asm/io.h> #include <asm/page.h> #include <asm/cache.h> +#include <asm/pgtable.h> #define PGDIR_ORDER 0 @@ -106,26 +107,8 @@ extern inline void free_pgd_slow(pgd_t *pgd) */ #define pmd_alloc_one_fast(mm, address) ({ BUG(); ((pmd_t *)1); }) #define pmd_alloc_one(mm, address) ({ BUG(); ((pmd_t *)2); }) -/* FIXME two definition - look below */ -#define pmd_free(mm, x) do { } while (0) -#define pgd_populate(mm, pmd, pte) BUG() -static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, - unsigned long address) -{ - pte_t *pte; - extern int mem_init_done; - extern void *early_get_page(void); - if (mem_init_done) { - pte = (pte_t *)__get_free_page(GFP_KERNEL | - __GFP_REPEAT | __GFP_ZERO); - } else { - pte = (pte_t *)early_get_page(); - if (pte) - clear_page(pte); - } - return pte; -} +extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr); static inline struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address) @@ -139,8 +122,13 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm, #endif ptepage = alloc_pages(flags, 0); - if (ptepage) - clear_highpage(ptepage); + if (!ptepage) + return NULL; + clear_highpage(ptepage); + if (!pgtable_page_ctor(ptepage)) { + __free_page(ptepage); + return NULL; + } return ptepage; } @@ -175,14 +163,16 @@ extern inline void pte_free_slow(struct page *ptepage) __free_page(ptepage); } -extern inline void pte_free(struct mm_struct *mm, struct page *ptepage) +static inline void pte_free(struct mm_struct *mm, struct page *ptepage) { + pgtable_page_dtor(ptepage); __free_page(ptepage); } -#define __pte_free_tlb(tlb, pte) pte_free((tlb)->mm, (pte)) +#define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, (pte)) -#define pmd_populate(mm, pmd, pte) (pmd_val(*(pmd)) = page_address(pte)) +#define pmd_populate(mm, pmd, pte) \ + (pmd_val(*(pmd)) = (unsigned long)page_address(pte)) #define pmd_populate_kernel(mm, pmd, pte) \ (pmd_val(*(pmd)) = (unsigned long) (pte)) @@ -192,14 +182,14 @@ extern inline void pte_free(struct mm_struct *mm, struct page *ptepage) * the pgd will always be present.. */ #define pmd_alloc_one(mm, address) ({ BUG(); ((pmd_t *)2); }) -/*#define pmd_free(mm, x) do { } while (0)*/ -#define __pmd_free_tlb(tlb, x) do { } while (0) +#define pmd_free(mm, x) do { } while (0) +#define __pmd_free_tlb(tlb, x, addr) pmd_free((tlb)->mm, x) #define pgd_populate(mm, pmd, pte) BUG() extern int do_check_pgt_cache(int, int); #endif /* CONFIG_MMU */ -#define check_pgt_cache() do {} while (0) +#define check_pgt_cache() do { } while (0) #endif /* _ASM_MICROBLAZE_PGALLOC_H */ |
