diff options
Diffstat (limited to 'include/asm-m68k/sun3_pgalloc.h')
-rw-r--r-- | include/asm-m68k/sun3_pgalloc.h | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/include/asm-m68k/sun3_pgalloc.h b/include/asm-m68k/sun3_pgalloc.h deleted file mode 100644 index d4c83f143816..000000000000 --- a/include/asm-m68k/sun3_pgalloc.h +++ /dev/null | |||
@@ -1,102 +0,0 @@ | |||
1 | /* sun3_pgalloc.h -- | ||
2 | * reorganization around 2.3.39, routines moved from sun3_pgtable.h | ||
3 | * | ||
4 | * | ||
5 | * 02/27/2002 -- Modified to support "highpte" implementation in 2.5.5 (Sam) | ||
6 | * | ||
7 | * moved 1/26/2000 Sam Creasey | ||
8 | */ | ||
9 | |||
10 | #ifndef _SUN3_PGALLOC_H | ||
11 | #define _SUN3_PGALLOC_H | ||
12 | |||
13 | #include <asm/tlb.h> | ||
14 | |||
15 | /* FIXME - when we get this compiling */ | ||
16 | /* erm, now that it's compiling, what do we do with it? */ | ||
17 | #define _KERNPG_TABLE 0 | ||
18 | |||
19 | extern const char bad_pmd_string[]; | ||
20 | |||
21 | #define pmd_alloc_one(mm,address) ({ BUG(); ((pmd_t *)2); }) | ||
22 | |||
23 | |||
24 | static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) | ||
25 | { | ||
26 | free_page((unsigned long) pte); | ||
27 | } | ||
28 | |||
29 | static inline void pte_free(struct mm_struct *mm, pgtable_t page) | ||
30 | { | ||
31 | pgtable_page_dtor(page); | ||
32 | __free_page(page); | ||
33 | } | ||
34 | |||
35 | #define __pte_free_tlb(tlb,pte) \ | ||
36 | do { \ | ||
37 | pgtable_page_dtor(pte); \ | ||
38 | tlb_remove_page((tlb), pte); \ | ||
39 | } while (0) | ||
40 | |||
41 | static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, | ||
42 | unsigned long address) | ||
43 | { | ||
44 | unsigned long page = __get_free_page(GFP_KERNEL|__GFP_REPEAT); | ||
45 | |||
46 | if (!page) | ||
47 | return NULL; | ||
48 | |||
49 | memset((void *)page, 0, PAGE_SIZE); | ||
50 | return (pte_t *) (page); | ||
51 | } | ||
52 | |||
53 | static inline pgtable_t pte_alloc_one(struct mm_struct *mm, | ||
54 | unsigned long address) | ||
55 | { | ||
56 | struct page *page = alloc_pages(GFP_KERNEL|__GFP_REPEAT, 0); | ||
57 | |||
58 | if (page == NULL) | ||
59 | return NULL; | ||
60 | |||
61 | clear_highpage(page); | ||
62 | pgtable_page_ctor(page); | ||
63 | return page; | ||
64 | |||
65 | } | ||
66 | |||
67 | static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte) | ||
68 | { | ||
69 | pmd_val(*pmd) = __pa((unsigned long)pte); | ||
70 | } | ||
71 | |||
72 | static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, pgtable_t page) | ||
73 | { | ||
74 | pmd_val(*pmd) = __pa((unsigned long)page_address(page)); | ||
75 | } | ||
76 | #define pmd_pgtable(pmd) pmd_page(pmd) | ||
77 | |||
78 | /* | ||
79 | * allocating and freeing a pmd is trivial: the 1-entry pmd is | ||
80 | * inside the pgd, so has no extra memory associated with it. | ||
81 | */ | ||
82 | #define pmd_free(mm, x) do { } while (0) | ||
83 | #define __pmd_free_tlb(tlb, x) do { } while (0) | ||
84 | |||
85 | static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) | ||
86 | { | ||
87 | free_page((unsigned long) pgd); | ||
88 | } | ||
89 | |||
90 | static inline pgd_t * pgd_alloc(struct mm_struct *mm) | ||
91 | { | ||
92 | pgd_t *new_pgd; | ||
93 | |||
94 | new_pgd = (pgd_t *)get_zeroed_page(GFP_KERNEL); | ||
95 | memcpy(new_pgd, swapper_pg_dir, PAGE_SIZE); | ||
96 | memset(new_pgd, 0, (PAGE_OFFSET >> PGDIR_SHIFT)); | ||
97 | return new_pgd; | ||
98 | } | ||
99 | |||
100 | #define pgd_populate(mm, pmd, pte) BUG() | ||
101 | |||
102 | #endif /* SUN3_PGALLOC_H */ | ||