| 1 | #ifndef _CRIS_PGALLOC_H
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| 2 | #define _CRIS_PGALLOC_H
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| 3 |
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| 4 | #include <linux/threads.h>
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| 5 | #include <linux/mm.h>
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| 6 |
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| 7 | #define pmd_populate_kernel(mm, pmd, pte) pmd_set(pmd, pte)
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| 8 | #define pmd_populate(mm, pmd, pte) pmd_set(pmd, page_address(pte))
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| 9 |
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| 10 | |
| 11 | * Allocate and free page tables.
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| 12 |
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| 13 |
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| 14 | static inline pgd_t *pgd_alloc (struct mm_struct *mm)
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| 15 | {
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| 16 | return (pgd_t *)get_zeroed_page(GFP_KERNEL);
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| 17 | }
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| 18 |
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| 19 | static inline void pgd_free (pgd_t *pgd)
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| 20 | {
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| 21 | free_page((unsigned long)pgd);
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| 22 | }
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| 23 |
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| 24 | static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
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| 25 | {
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| 26 | pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO);
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| 27 | return pte;
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| 28 | }
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| 29 |
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| 30 | static inline struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address)
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| 31 | {
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| 32 | struct page *pte;
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| 33 | pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO, 0);
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| 34 | return pte;
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| 35 | }
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| 36 |
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| 37 | static inline void pte_free_kernel(pte_t *pte)
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| 38 | {
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| 39 | free_page((unsigned long)pte);
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| 40 | }
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| 41 |
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| 42 | static inline void pte_free(struct page *pte)
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| 43 | {
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| 44 | __free_page(pte);
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| 45 | }
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| 46 |
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| 47 |
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| 48 | #define __pte_free_tlb(tlb,pte) tlb_remove_page((tlb),(pte))
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| 49 |
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| 50 | #define check_pgt_cache() do { } while (0)
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| 51 |
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| 52 | #endif
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