| #ifndef _X86_64_PGALLOC_H |
| #define _X86_64_PGALLOC_H |
| |
| #include <asm/pda.h> |
| |
| static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte) |
| { |
| set_pmd(pmd, __pmd(_PAGE_TABLE | __pa(pte))); |
| } |
| |
| static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) |
| { |
| set_pud(pud, __pud(_PAGE_TABLE | __pa(pmd))); |
| } |
| |
| static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, pud_t *pud) |
| { |
| set_pgd(pgd, __pgd(_PAGE_TABLE | __pa(pud))); |
| } |
| |
| #define pmd_pgtable(pmd) pmd_page(pmd) |
| |
| static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, struct page *pte) |
| { |
| set_pmd(pmd, __pmd(_PAGE_TABLE | (page_to_pfn(pte) << PAGE_SHIFT))); |
| } |
| |
| static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) |
| { |
| BUG_ON((unsigned long)pmd & (PAGE_SIZE-1)); |
| free_page((unsigned long)pmd); |
| } |
| |
| static inline pmd_t *pmd_alloc_one (struct mm_struct *mm, unsigned long addr) |
| { |
| return (pmd_t *)get_zeroed_page(GFP_KERNEL|__GFP_REPEAT); |
| } |
| |
| static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) |
| { |
| return (pud_t *)get_zeroed_page(GFP_KERNEL|__GFP_REPEAT); |
| } |
| |
| static inline void pud_free(struct mm_struct *mm, pud_t *pud) |
| { |
| BUG_ON((unsigned long)pud & (PAGE_SIZE-1)); |
| free_page((unsigned long)pud); |
| } |
| |
| extern void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd); |
| extern void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pud); |
| |
| #endif /* _X86_64_PGALLOC_H */ |