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