X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-avr32%2Fpgalloc.h;h=51fc1f6e4b17afb9d73b7065ad6bea459549d205;hb=252815b0cfe711001eff0327872209986b36d490;hp=bb82e70cde8d048fb01c3594b0233ba8c9d83fbd;hpb=e25db641c0e6dd49c5db24dbe154048d4a466727;p=linux-2.6 diff --git a/include/asm-avr32/pgalloc.h b/include/asm-avr32/pgalloc.h index bb82e70cde..51fc1f6e4b 100644 --- a/include/asm-avr32/pgalloc.h +++ b/include/asm-avr32/pgalloc.h @@ -17,26 +17,21 @@ set_pmd(pmd, __pmd(_PAGE_TABLE + __pa(pte))) static __inline__ void pmd_populate(struct mm_struct *mm, pmd_t *pmd, - struct page *pte) + pgtable_t pte) { set_pmd(pmd, __pmd(_PAGE_TABLE + page_to_phys(pte))); } +#define pmd_pgtable(pmd) pmd_page(pmd) /* * Allocate and free page tables */ static __inline__ pgd_t *pgd_alloc(struct mm_struct *mm) { - unsigned int pgd_size = (USER_PTRS_PER_PGD * sizeof(pgd_t)); - pgd_t *pgd = kmalloc(pgd_size, GFP_KERNEL); - - if (pgd) - memset(pgd, 0, pgd_size); - - return pgd; + return kcalloc(USER_PTRS_PER_PGD, sizeof(pgd_t), GFP_KERNEL); } -static inline void pgd_free(pgd_t *pgd) +static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) { kfree(pgd); } @@ -44,18 +39,9 @@ static inline void pgd_free(pgd_t *pgd) static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) { - int count = 0; pte_t *pte; - do { - pte = (pte_t *) __get_free_page(GFP_KERNEL | __GFP_REPEAT); - if (pte) - clear_page(pte); - else { - current->state = TASK_UNINTERRUPTIBLE; - schedule_timeout(HZ); - } - } while (!pte && (count++ < 10)); + pte = (pte_t *)get_zeroed_page(GFP_KERNEL | __GFP_REPEAT); return pte; } @@ -63,33 +49,31 @@ static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, static inline struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address) { - int count = 0; struct page *pte; - do { - pte = alloc_pages(GFP_KERNEL, 0); - if (pte) - clear_page(page_address(pte)); - else { - current->state = TASK_UNINTERRUPTIBLE; - schedule_timeout(HZ); - } - } while (!pte && (count++ < 10)); - + pte = alloc_page(GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO); + if (!pte) + return NULL; + pgtable_page_ctor(pte); return pte; } -static inline void pte_free_kernel(pte_t *pte) +static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) { free_page((unsigned long)pte); } -static inline void pte_free(struct page *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) tlb_remove_page((tlb),(pte)) +#define __pte_free_tlb(tlb,pte) \ +do { \ + pgtable_page_dtor(pte); \ + tlb_remove_page((tlb), pte); \ +} while (0) #define check_pgt_cache() do { } while(0)