diff options
Diffstat (limited to 'include/asm-sparc64/hugetlb.h')
-rw-r--r-- | include/asm-sparc64/hugetlb.h | 85 |
1 files changed, 1 insertions, 84 deletions
diff --git a/include/asm-sparc64/hugetlb.h b/include/asm-sparc64/hugetlb.h index 412af58926a0..21d8f0a9c243 100644 --- a/include/asm-sparc64/hugetlb.h +++ b/include/asm-sparc64/hugetlb.h | |||
@@ -1,84 +1 @@ | |||
1 | #ifndef _ASM_SPARC64_HUGETLB_H | #include <asm-sparc/hugetlb.h> | |
2 | #define _ASM_SPARC64_HUGETLB_H | ||
3 | |||
4 | #include <asm/page.h> | ||
5 | |||
6 | |||
7 | void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, | ||
8 | pte_t *ptep, pte_t pte); | ||
9 | |||
10 | pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, | ||
11 | pte_t *ptep); | ||
12 | |||
13 | void hugetlb_prefault_arch_hook(struct mm_struct *mm); | ||
14 | |||
15 | static inline int is_hugepage_only_range(struct mm_struct *mm, | ||
16 | unsigned long addr, | ||
17 | unsigned long len) { | ||
18 | return 0; | ||
19 | } | ||
20 | |||
21 | /* | ||
22 | * If the arch doesn't supply something else, assume that hugepage | ||
23 | * size aligned regions are ok without further preparation. | ||
24 | */ | ||
25 | static inline int prepare_hugepage_range(unsigned long addr, unsigned long len) | ||
26 | { | ||
27 | if (len & ~HPAGE_MASK) | ||
28 | return -EINVAL; | ||
29 | if (addr & ~HPAGE_MASK) | ||
30 | return -EINVAL; | ||
31 | return 0; | ||
32 | } | ||
33 | |||
34 | static inline void hugetlb_free_pgd_range(struct mmu_gather **tlb, | ||
35 | unsigned long addr, unsigned long end, | ||
36 | unsigned long floor, | ||
37 | unsigned long ceiling) | ||
38 | { | ||
39 | free_pgd_range(tlb, addr, end, floor, ceiling); | ||
40 | } | ||
41 | |||
42 | static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, | ||
43 | unsigned long addr, pte_t *ptep) | ||
44 | { | ||
45 | } | ||
46 | |||
47 | static inline int huge_pte_none(pte_t pte) | ||
48 | { | ||
49 | return pte_none(pte); | ||
50 | } | ||
51 | |||
52 | static inline pte_t huge_pte_wrprotect(pte_t pte) | ||
53 | { | ||
54 | return pte_wrprotect(pte); | ||
55 | } | ||
56 | |||
57 | static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, | ||
58 | unsigned long addr, pte_t *ptep) | ||
59 | { | ||
60 | ptep_set_wrprotect(mm, addr, ptep); | ||
61 | } | ||
62 | |||
63 | static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma, | ||
64 | unsigned long addr, pte_t *ptep, | ||
65 | pte_t pte, int dirty) | ||
66 | { | ||
67 | return ptep_set_access_flags(vma, addr, ptep, pte, dirty); | ||
68 | } | ||
69 | |||
70 | static inline pte_t huge_ptep_get(pte_t *ptep) | ||
71 | { | ||
72 | return *ptep; | ||
73 | } | ||
74 | |||
75 | static inline int arch_prepare_hugepage(struct page *page) | ||
76 | { | ||
77 | return 0; | ||
78 | } | ||
79 | |||
80 | static inline void arch_release_hugepage(struct page *page) | ||
81 | { | ||
82 | } | ||
83 | |||
84 | #endif /* _ASM_SPARC64_HUGETLB_H */ | ||