Commit | Line | Data |
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1965aae3 PA |
1 | #ifndef _ASM_X86_HUGETLB_H |
2 | #define _ASM_X86_HUGETLB_H | |
6d779079 GS |
3 | |
4 | #include <asm/page.h> | |
106c992a | 5 | #include <asm-generic/hugetlb.h> |
6d779079 GS |
6 | |
7 | ||
8 | static inline int is_hugepage_only_range(struct mm_struct *mm, | |
9 | unsigned long addr, | |
10 | unsigned long len) { | |
11 | return 0; | |
12 | } | |
13 | ||
14 | /* | |
15 | * If the arch doesn't supply something else, assume that hugepage | |
16 | * size aligned regions are ok without further preparation. | |
17 | */ | |
a5516438 AK |
18 | static inline int prepare_hugepage_range(struct file *file, |
19 | unsigned long addr, unsigned long len) | |
6d779079 | 20 | { |
a5516438 AK |
21 | struct hstate *h = hstate_file(file); |
22 | if (len & ~huge_page_mask(h)) | |
6d779079 | 23 | return -EINVAL; |
a5516438 | 24 | if (addr & ~huge_page_mask(h)) |
6d779079 GS |
25 | return -EINVAL; |
26 | return 0; | |
27 | } | |
28 | ||
42b77728 | 29 | static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb, |
6d779079 GS |
30 | unsigned long addr, unsigned long end, |
31 | unsigned long floor, | |
32 | unsigned long ceiling) | |
33 | { | |
34 | free_pgd_range(tlb, addr, end, floor, ceiling); | |
35 | } | |
36 | ||
37 | static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, | |
38 | pte_t *ptep, pte_t pte) | |
39 | { | |
40 | set_pte_at(mm, addr, ptep, pte); | |
41 | } | |
42 | ||
43 | static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm, | |
44 | unsigned long addr, pte_t *ptep) | |
45 | { | |
46 | return ptep_get_and_clear(mm, addr, ptep); | |
47 | } | |
48 | ||
8fe627ec GS |
49 | static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, |
50 | unsigned long addr, pte_t *ptep) | |
51 | { | |
9844f546 | 52 | ptep_clear_flush(vma, addr, ptep); |
8fe627ec GS |
53 | } |
54 | ||
7f2e9525 GS |
55 | static inline int huge_pte_none(pte_t pte) |
56 | { | |
57 | return pte_none(pte); | |
58 | } | |
59 | ||
60 | static inline pte_t huge_pte_wrprotect(pte_t pte) | |
61 | { | |
62 | return pte_wrprotect(pte); | |
63 | } | |
64 | ||
65 | static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, | |
66 | unsigned long addr, pte_t *ptep) | |
67 | { | |
68 | ptep_set_wrprotect(mm, addr, ptep); | |
69 | } | |
70 | ||
71 | static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma, | |
72 | unsigned long addr, pte_t *ptep, | |
73 | pte_t pte, int dirty) | |
74 | { | |
75 | return ptep_set_access_flags(vma, addr, ptep, pte, dirty); | |
76 | } | |
77 | ||
78 | static inline pte_t huge_ptep_get(pte_t *ptep) | |
79 | { | |
80 | return *ptep; | |
81 | } | |
82 | ||
5d3a551c WD |
83 | static inline void arch_clear_hugepage_flags(struct page *page) |
84 | { | |
85 | } | |
86 | ||
1965aae3 | 87 | #endif /* _ASM_X86_HUGETLB_H */ |