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