diff options
Diffstat (limited to 'arch/m32r/include/asm/pgalloc.h')
-rw-r--r-- | arch/m32r/include/asm/pgalloc.h | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/arch/m32r/include/asm/pgalloc.h b/arch/m32r/include/asm/pgalloc.h deleted file mode 100644 index eed2cad57d68..000000000000 --- a/arch/m32r/include/asm/pgalloc.h +++ /dev/null | |||
@@ -1,82 +0,0 @@ | |||
1 | /* SPDX-License-Identifier: GPL-2.0 */ | ||
2 | #ifndef _ASM_M32R_PGALLOC_H | ||
3 | #define _ASM_M32R_PGALLOC_H | ||
4 | |||
5 | #include <linux/mm.h> | ||
6 | |||
7 | #include <asm/io.h> | ||
8 | |||
9 | #define pmd_populate_kernel(mm, pmd, pte) \ | ||
10 | set_pmd(pmd, __pmd(_PAGE_TABLE + __pa(pte))) | ||
11 | |||
12 | static __inline__ void pmd_populate(struct mm_struct *mm, pmd_t *pmd, | ||
13 | pgtable_t pte) | ||
14 | { | ||
15 | set_pmd(pmd, __pmd(_PAGE_TABLE + page_to_phys(pte))); | ||
16 | } | ||
17 | #define pmd_pgtable(pmd) pmd_page(pmd) | ||
18 | |||
19 | /* | ||
20 | * Allocate and free page tables. | ||
21 | */ | ||
22 | static __inline__ pgd_t *pgd_alloc(struct mm_struct *mm) | ||
23 | { | ||
24 | pgd_t *pgd = (pgd_t *)__get_free_page(GFP_KERNEL|__GFP_ZERO); | ||
25 | |||
26 | return pgd; | ||
27 | } | ||
28 | |||
29 | static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) | ||
30 | { | ||
31 | free_page((unsigned long)pgd); | ||
32 | } | ||
33 | |||
34 | static __inline__ pte_t *pte_alloc_one_kernel(struct mm_struct *mm, | ||
35 | unsigned long address) | ||
36 | { | ||
37 | pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_ZERO); | ||
38 | |||
39 | return pte; | ||
40 | } | ||
41 | |||
42 | static __inline__ pgtable_t pte_alloc_one(struct mm_struct *mm, | ||
43 | unsigned long address) | ||
44 | { | ||
45 | struct page *pte = alloc_page(GFP_KERNEL|__GFP_ZERO); | ||
46 | |||
47 | if (!pte) | ||
48 | return NULL; | ||
49 | if (!pgtable_page_ctor(pte)) { | ||
50 | __free_page(pte); | ||
51 | return NULL; | ||
52 | } | ||
53 | return pte; | ||
54 | } | ||
55 | |||
56 | static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) | ||
57 | { | ||
58 | free_page((unsigned long)pte); | ||
59 | } | ||
60 | |||
61 | static inline void pte_free(struct mm_struct *mm, pgtable_t pte) | ||
62 | { | ||
63 | pgtable_page_dtor(pte); | ||
64 | __free_page(pte); | ||
65 | } | ||
66 | |||
67 | #define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, (pte)) | ||
68 | |||
69 | /* | ||
70 | * allocating and freeing a pmd is trivial: the 1-entry pmd is | ||
71 | * inside the pgd, so has no extra memory associated with it. | ||
72 | * (In the PAE case we free the pmds as part of the pgd.) | ||
73 | */ | ||
74 | |||
75 | #define pmd_alloc_one(mm, addr) ({ BUG(); ((pmd_t *)2); }) | ||
76 | #define pmd_free(mm, x) do { } while (0) | ||
77 | #define __pmd_free_tlb(tlb, x, addr) do { } while (0) | ||
78 | #define pgd_populate(mm, pmd, pte) BUG() | ||
79 | |||
80 | #define check_pgt_cache() do { } while (0) | ||
81 | |||
82 | #endif /* _ASM_M32R_PGALLOC_H */ | ||