| 1 |
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| 2 | #ifndef _SPARC64_PGALLOC_H
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| 3 | #define _SPARC64_PGALLOC_H
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| 4 |
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| 5 | #include <linux/kernel.h>
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| 6 | #include <linux/sched.h>
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| 7 | #include <linux/mm.h>
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| 8 | #include <linux/slab.h>
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| 9 |
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| 10 | #include <asm/spitfire.h>
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| 11 | #include <asm/cpudata.h>
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| 12 | #include <asm/cacheflush.h>
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| 13 | #include <asm/page.h>
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| 14 |
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| 15 |
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| 16 | extern struct kmem_cache *pgtable_cache;
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| 17 |
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| 18 | static inline pgd_t *pgd_alloc(struct mm_struct *mm)
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| 19 | {
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| 20 | return kmem_cache_alloc(pgtable_cache, GFP_KERNEL);
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| 21 | }
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| 22 |
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| 23 | static inline void pgd_free(pgd_t *pgd)
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| 24 | {
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| 25 | kmem_cache_free(pgtable_cache, pgd);
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| 26 | }
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| 27 |
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| 28 | #define pud_populate(MM, PUD, PMD) pud_set(PUD, PMD)
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| 29 |
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| 30 | static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
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| 31 | {
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| 32 | return kmem_cache_alloc(pgtable_cache,
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| 33 | GFP_KERNEL|__GFP_REPEAT);
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| 34 | }
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| 35 |
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| 36 | static inline void pmd_free(pmd_t *pmd)
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| 37 | {
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| 38 | kmem_cache_free(pgtable_cache, pmd);
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| 39 | }
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| 40 |
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| 41 | static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
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| 42 | unsigned long address)
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| 43 | {
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| 44 | return kmem_cache_alloc(pgtable_cache,
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| 45 | GFP_KERNEL|__GFP_REPEAT);
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| 46 | }
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| 47 |
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| 48 | static inline struct page *pte_alloc_one(struct mm_struct *mm,
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| 49 | unsigned long address)
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| 50 | {
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| 51 | return virt_to_page(pte_alloc_one_kernel(mm, address));
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| 52 | }
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| 53 |
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| 54 | static inline void pte_free_kernel(pte_t *pte)
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| 55 | {
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| 56 | kmem_cache_free(pgtable_cache, pte);
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| 57 | }
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| 58 |
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| 59 | static inline void pte_free(struct page *ptepage)
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| 60 | {
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| 61 | pte_free_kernel(page_address(ptepage));
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| 62 | }
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| 63 |
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| 64 |
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| 65 | #define pmd_populate_kernel(MM, PMD, PTE) pmd_set(PMD, PTE)
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| 66 | #define pmd_populate(MM,PMD,PTE_PAGE) \
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| 67 | pmd_populate_kernel(MM,PMD,page_address(PTE_PAGE))
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| 68 |
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| 69 | #define check_pgt_cache() do { } while (0)
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| 70 |
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| 71 | #endif
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