| #ifndef __ASM_SH_PGALLOC_H |
| #define __ASM_SH_PGALLOC_H |
| |
| #define pmd_populate_kernel(mm, pmd, pte) \ |
| set_pmd(pmd, __pmd(_PAGE_TABLE + __pa(pte))) |
| |
| static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, |
| struct page *pte) |
| { |
| set_pmd(pmd, __pmd(_PAGE_TABLE + page_to_phys(pte))); |
| } |
| |
| /* |
| * Allocate and free page tables. |
| */ |
| static inline pgd_t *pgd_alloc(struct mm_struct *mm) |
| { |
| return (pgd_t *)__get_free_page(GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO); |
| } |
| |
| static inline void pgd_free(pgd_t *pgd) |
| { |
| free_page((unsigned long)pgd); |
| } |
| |
| static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, |
| unsigned long address) |
| { |
| return (pte_t *)__get_free_page(GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO); |
| } |
| |
| static inline struct page *pte_alloc_one(struct mm_struct *mm, |
| unsigned long address) |
| { |
| return alloc_page(GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO); |
| } |
| |
| static inline void pte_free_kernel(pte_t *pte) |
| { |
| free_page((unsigned long)pte); |
| } |
| |
| static inline void pte_free(struct page *pte) |
| { |
| __free_page(pte); |
| } |
| |
| #define __pte_free_tlb(tlb,pte) tlb_remove_page((tlb),(pte)) |
| |
| /* |
| * allocating and freeing a pmd is trivial: the 1-entry pmd is |
| * inside the pgd, so has no extra memory associated with it. |
| */ |
| |
| #define pmd_free(x) do { } while (0) |
| #define __pmd_free_tlb(tlb,x) do { } while (0) |
| #define check_pgt_cache() do { } while (0) |
| |
| #endif /* __ASM_SH_PGALLOC_H */ |