diff options
Diffstat (limited to 'include/asm-sparc/pgalloc_64.h')
-rw-r--r-- | include/asm-sparc/pgalloc_64.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/include/asm-sparc/pgalloc_64.h b/include/asm-sparc/pgalloc_64.h new file mode 100644 index 000000000000..5bdfa2c6e400 --- /dev/null +++ b/include/asm-sparc/pgalloc_64.h | |||
@@ -0,0 +1,81 @@ | |||
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 */ | ||