diff options
Diffstat (limited to 'arch/openrisc/include/asm/pgalloc.h')
-rw-r--r-- | arch/openrisc/include/asm/pgalloc.h | 46 |
1 files changed, 6 insertions, 40 deletions
diff --git a/arch/openrisc/include/asm/pgalloc.h b/arch/openrisc/include/asm/pgalloc.h index da12a4c38c4b..3f110931d8f6 100644 --- a/arch/openrisc/include/asm/pgalloc.h +++ b/arch/openrisc/include/asm/pgalloc.h @@ -20,6 +20,9 @@ #include <linux/mm.h> #include <linux/memblock.h> +#define __HAVE_ARCH_PTE_ALLOC_ONE_KERNEL +#include <asm-generic/pgalloc.h> + extern int mem_init_done; #define pmd_populate_kernel(mm, pmd, pte) \ @@ -38,15 +41,13 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, */ static inline pgd_t *pgd_alloc(struct mm_struct *mm) { - pgd_t *ret = (pgd_t *)__get_free_page(GFP_KERNEL); + pgd_t *ret = __pgd_alloc(mm, 0); - if (ret) { - memset(ret, 0, USER_PTRS_PER_PGD * sizeof(pgd_t)); + if (ret) memcpy(ret + USER_PTRS_PER_PGD, swapper_pg_dir + USER_PTRS_PER_PGD, (PTRS_PER_PGD - USER_PTRS_PER_PGD) * sizeof(pgd_t)); - } return ret; } @@ -61,44 +62,9 @@ extern inline pgd_t *pgd_alloc(struct mm_struct *mm) } #endif -static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) -{ - free_page((unsigned long)pgd); -} - extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm); -static inline struct page *pte_alloc_one(struct mm_struct *mm) -{ - struct page *pte; - pte = alloc_pages(GFP_KERNEL, 0); - if (!pte) - return NULL; - clear_page(page_address(pte)); - if (!pgtable_pte_page_ctor(pte)) { - __free_page(pte); - return NULL; - } - return 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 mm_struct *mm, struct page *pte) -{ - pgtable_pte_page_dtor(pte); - __free_page(pte); -} - #define __pte_free_tlb(tlb, pte, addr) \ -do { \ - pgtable_pte_page_dtor(pte); \ - tlb_remove_page((tlb), (pte)); \ -} while (0) - -#define pmd_pgtable(pmd) pmd_page(pmd) + tlb_remove_ptdesc((tlb), page_ptdesc(pte)) #endif |