| #ifndef _CRIS_PGALLOC_H |
| #define _CRIS_PGALLOC_H |
| |
| #include <linux/threads.h> |
| #include <linux/mm.h> |
| |
| #define pmd_populate_kernel(mm, pmd, pte) pmd_set(pmd, pte) |
| #define pmd_populate(mm, pmd, pte) pmd_set(pmd, page_address(pte)) |
| #define pmd_pgtable(pmd) pmd_page(pmd) |
| |
| /* |
| * Allocate and free page tables. |
| */ |
| |
| static inline pgd_t *pgd_alloc (struct mm_struct *mm) |
| { |
| return (pgd_t *)get_zeroed_page(GFP_KERNEL); |
| } |
| |
| static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) |
| { |
| free_page((unsigned long)pgd); |
| } |
| |
| static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) |
| { |
| pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO); |
| return pte; |
| } |
| |
| static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address) |
| { |
| struct page *pte; |
| pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO, 0); |
| pgtable_page_ctor(pte); |
| 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, pgtable_t pte) |
| { |
| pgtable_page_dtor(pte); |
| __free_page(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) |
| |
| #endif |
