projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #ifdef __KERNEL__ |
| 2 | #ifndef _PPC_PGALLOC_H | |
| 3 | #define _PPC_PGALLOC_H | |
| 4 | ||
| 1da177e4 LT |
5 | #include <linux/threads.h> |
| 6 | ||
| 7 | extern void __bad_pte(pmd_t *pmd); | |
| 8 | ||
| 9 | extern pgd_t *pgd_alloc(struct mm_struct *mm); | |
| 10 | extern void pgd_free(pgd_t *pgd); | |
| 11 | ||
| 12 | /* | |
| 13 | * We don't have any real pmd's, and this code never triggers because | |
| 14 | * the pgd will always be present.. | |
| 15 | */ | |
| 16 | #define pmd_alloc_one(mm,address) ({ BUG(); ((pmd_t *)2); }) | |
| 17 | #define pmd_free(x) do { } while (0) | |
| 18 | #define __pmd_free_tlb(tlb,x) do { } while (0) | |
| 19 | #define pgd_populate(mm, pmd, pte) BUG() | |
| 20 | ||
| 21 | #ifndef CONFIG_BOOKE | |
| 22 | #define pmd_populate_kernel(mm, pmd, pte) \ | |
| 23 | (pmd_val(*(pmd)) = __pa(pte) | _PMD_PRESENT) | |
| 24 | #define pmd_populate(mm, pmd, pte) \ | |
| 25 | (pmd_val(*(pmd)) = (page_to_pfn(pte) << PAGE_SHIFT) | _PMD_PRESENT) | |
| 26 | #else | |
| 27 | #define pmd_populate_kernel(mm, pmd, pte) \ | |
| 28 | (pmd_val(*(pmd)) = (unsigned long)pte | _PMD_PRESENT) | |
| 29 | #define pmd_populate(mm, pmd, pte) \ | |
| 7486a38f | 30 | (pmd_val(*(pmd)) = (unsigned long)lowmem_page_address(pte) | _PMD_PRESENT) |
| 1da177e4 LT |
31 | #endif |
| 32 | ||
| 33 | extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr); | |
| 34 | extern struct page *pte_alloc_one(struct mm_struct *mm, unsigned long addr); | |
| 35 | extern void pte_free_kernel(pte_t *pte); | |
| 36 | extern void pte_free(struct page *pte); | |
| 37 | ||
| 38 | #define __pte_free_tlb(tlb, pte) pte_free((pte)) | |
| 39 | ||
| 40 | #define check_pgt_cache() do { } while (0) | |
| 41 | ||
| 42 | #endif /* _PPC_PGALLOC_H */ | |
| 43 | #endif /* __KERNEL__ */ |