projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| f5e706ad SR |
1 | #ifndef _SPARC64_PGALLOC_H |
| 2 | #define _SPARC64_PGALLOC_H | |
| 3 | ||
| 4 | #include <linux/kernel.h> | |
| 5 | #include <linux/sched.h> | |
| 6 | #include <linux/mm.h> | |
| 7 | #include <linux/slab.h> | |
| 8 | #include <linux/quicklist.h> | |
| 9 | ||
| 10 | #include <asm/spitfire.h> | |
| 11 | #include <asm/cpudata.h> | |
| 12 | #include <asm/cacheflush.h> | |
| 13 | #include <asm/page.h> | |
| 14 | ||
| 15 | /* Page table allocation/freeing. */ | |
| 16 | ||
| 17 | static inline pgd_t *pgd_alloc(struct mm_struct *mm) | |
| 18 | { | |
| 19 | return quicklist_alloc(0, GFP_KERNEL, NULL); | |
| 20 | } | |
| 21 | ||
| 22 | static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) | |
| 23 | { | |
| 24 | quicklist_free(0, NULL, pgd); | |
| 25 | } | |
| 26 | ||
| 27 | #define pud_populate(MM, PUD, PMD) pud_set(PUD, PMD) | |
| 28 | ||
| 29 | static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr) | |
| 30 | { | |
| 31 | return quicklist_alloc(0, GFP_KERNEL, NULL); | |
| 32 | } | |
| 33 | ||
| 34 | static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) | |
| 35 | { | |
| 36 | quicklist_free(0, NULL, pmd); | |
| 37 | } | |
| 38 | ||
| 39 | static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, | |
| 40 | unsigned long address) | |
| 41 | { | |
| 42 | return quicklist_alloc(0, GFP_KERNEL, NULL); | |
| 43 | } | |
| 44 | ||
| 45 | static inline pgtable_t pte_alloc_one(struct mm_struct *mm, | |
| 46 | unsigned long address) | |
| 47 | { | |
| 48 | struct page *page; | |
| 49 | void *pg; | |
| 50 | ||
| 51 | pg = quicklist_alloc(0, GFP_KERNEL, NULL); | |
| 52 | if (!pg) | |
| 53 | return NULL; | |
| 54 | page = virt_to_page(pg); | |
| 55 | pgtable_page_ctor(page); | |
| 56 | return page; | |
| 57 | } | |
| 58 | ||
| 59 | static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) | |
| 60 | { | |
| 61 | quicklist_free(0, NULL, pte); | |
| 62 | } | |
| 63 | ||
| 64 | static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage) | |
| 65 | { | |
| 66 | pgtable_page_dtor(ptepage); | |
| 67 | quicklist_free_page(0, NULL, ptepage); | |
| 68 | } | |
| 69 | ||
| 70 | ||
| 71 | #define pmd_populate_kernel(MM, PMD, PTE) pmd_set(PMD, PTE) | |
| 72 | #define pmd_populate(MM,PMD,PTE_PAGE) \ | |
| 73 | pmd_populate_kernel(MM,PMD,page_address(PTE_PAGE)) | |
| 74 | #define pmd_pgtable(pmd) pmd_page(pmd) | |
| 75 | ||
| 76 | static inline void check_pgt_cache(void) | |
| 77 | { | |
| 78 | quicklist_trim(0, NULL, 25, 16); | |
| 79 | } | |
| 80 | ||
| 81 | #endif /* _SPARC64_PGALLOC_H */ |