diff options
Diffstat (limited to 'include/asm-xtensa/pgalloc.h')
-rw-r--r-- | include/asm-xtensa/pgalloc.h | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/include/asm-xtensa/pgalloc.h b/include/asm-xtensa/pgalloc.h deleted file mode 100644 index 4f4a7987eded..000000000000 --- a/include/asm-xtensa/pgalloc.h +++ /dev/null | |||
@@ -1,73 +0,0 @@ | |||
1 | /* | ||
2 | * include/asm-xtensa/pgalloc.h | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or modify | ||
5 | * it under the terms of the GNU General Public License version 2 as | ||
6 | * published by the Free Software Foundation. | ||
7 | * | ||
8 | * Copyright (C) 2001-2007 Tensilica Inc. | ||
9 | */ | ||
10 | |||
11 | #ifndef _XTENSA_PGALLOC_H | ||
12 | #define _XTENSA_PGALLOC_H | ||
13 | |||
14 | #ifdef __KERNEL__ | ||
15 | |||
16 | #include <linux/highmem.h> | ||
17 | |||
18 | /* | ||
19 | * Allocating and freeing a pmd is trivial: the 1-entry pmd is | ||
20 | * inside the pgd, so has no extra memory associated with it. | ||
21 | */ | ||
22 | |||
23 | #define pmd_populate_kernel(mm, pmdp, ptep) \ | ||
24 | (pmd_val(*(pmdp)) = ((unsigned long)ptep)) | ||
25 | #define pmd_populate(mm, pmdp, page) \ | ||
26 | (pmd_val(*(pmdp)) = ((unsigned long)page_to_virt(page))) | ||
27 | #define pmd_pgtable(pmd) pmd_page(pmd) | ||
28 | |||
29 | static inline pgd_t* | ||
30 | pgd_alloc(struct mm_struct *mm) | ||
31 | { | ||
32 | return (pgd_t*) __get_free_pages(GFP_KERNEL | __GFP_ZERO, PGD_ORDER); | ||
33 | } | ||
34 | |||
35 | static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) | ||
36 | { | ||
37 | free_page((unsigned long)pgd); | ||
38 | } | ||
39 | |||
40 | /* Use a slab cache for the pte pages (see also sparc64 implementation) */ | ||
41 | |||
42 | extern struct kmem_cache *pgtable_cache; | ||
43 | |||
44 | static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, | ||
45 | unsigned long address) | ||
46 | { | ||
47 | return kmem_cache_alloc(pgtable_cache, GFP_KERNEL|__GFP_REPEAT); | ||
48 | } | ||
49 | |||
50 | static inline pgtable_t pte_alloc_one(struct mm_struct *mm, | ||
51 | unsigned long addr) | ||
52 | { | ||
53 | struct page *page; | ||
54 | |||
55 | page = virt_to_page(pte_alloc_one_kernel(mm, addr)); | ||
56 | pgtable_page_ctor(page); | ||
57 | return page; | ||
58 | } | ||
59 | |||
60 | static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) | ||
61 | { | ||
62 | kmem_cache_free(pgtable_cache, pte); | ||
63 | } | ||
64 | |||
65 | static inline void pte_free(struct mm_struct *mm, pgtable_t pte) | ||
66 | { | ||
67 | pgtable_page_dtor(pte); | ||
68 | kmem_cache_free(pgtable_cache, page_address(pte)); | ||
69 | } | ||
70 | #define pmd_pgtable(pmd) pmd_page(pmd) | ||
71 | |||
72 | #endif /* __KERNEL__ */ | ||
73 | #endif /* _XTENSA_PGALLOC_H */ | ||