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f88df14b DG |
1 | #ifndef _ASM_POWERPC_PGALLOC_32_H |
2 | #define _ASM_POWERPC_PGALLOC_32_H | |
3 | ||
4 | #include <linux/threads.h> | |
5 | ||
6 | extern void __bad_pte(pmd_t *pmd); | |
7 | ||
8 | extern pgd_t *pgd_alloc(struct mm_struct *mm); | |
9 | extern void pgd_free(pgd_t *pgd); | |
10 | ||
11 | /* | |
12 | * We don't have any real pmd's, and this code never triggers because | |
13 | * the pgd will always be present.. | |
14 | */ | |
d1953c88 | 15 | /* #define pmd_alloc_one(mm,address) ({ BUG(); ((pmd_t *)2); }) */ |
f88df14b DG |
16 | #define pmd_free(x) do { } while (0) |
17 | #define __pmd_free_tlb(tlb,x) do { } while (0) | |
d1953c88 | 18 | /* #define pgd_populate(mm, pmd, pte) BUG() */ |
f88df14b DG |
19 | |
20 | #ifndef CONFIG_BOOKE | |
21 | #define pmd_populate_kernel(mm, pmd, pte) \ | |
22 | (pmd_val(*(pmd)) = __pa(pte) | _PMD_PRESENT) | |
23 | #define pmd_populate(mm, pmd, pte) \ | |
24 | (pmd_val(*(pmd)) = (page_to_pfn(pte) << PAGE_SHIFT) | _PMD_PRESENT) | |
25 | #else | |
26 | #define pmd_populate_kernel(mm, pmd, pte) \ | |
27 | (pmd_val(*(pmd)) = (unsigned long)pte | _PMD_PRESENT) | |
28 | #define pmd_populate(mm, pmd, pte) \ | |
29 | (pmd_val(*(pmd)) = (unsigned long)lowmem_page_address(pte) | _PMD_PRESENT) | |
30 | #endif | |
31 | ||
32 | extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr); | |
33 | extern struct page *pte_alloc_one(struct mm_struct *mm, unsigned long addr); | |
34 | extern void pte_free_kernel(pte_t *pte); | |
35 | extern void pte_free(struct page *pte); | |
36 | ||
37 | #define __pte_free_tlb(tlb, pte) pte_free((pte)) | |
38 | ||
39 | #define check_pgt_cache() do { } while (0) | |
40 | ||
41 | #endif /* _ASM_POWERPC_PGALLOC_32_H */ |