Commit | Line | Data |
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6d779079 GS |
1 | #ifndef _ASM_IA64_HUGETLB_H |
2 | #define _ASM_IA64_HUGETLB_H | |
3 | ||
4 | #include <asm/page.h> | |
5 | ||
6 | ||
42b77728 | 7 | void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr, |
6d779079 GS |
8 | unsigned long end, unsigned long floor, |
9 | unsigned long ceiling); | |
10 | ||
a5516438 AK |
11 | int prepare_hugepage_range(struct file *file, |
12 | unsigned long addr, unsigned long len); | |
6d779079 GS |
13 | |
14 | static inline int is_hugepage_only_range(struct mm_struct *mm, | |
15 | unsigned long addr, | |
16 | unsigned long len) | |
17 | { | |
18 | return (REGION_NUMBER(addr) == RGN_HPAGE || | |
19 | REGION_NUMBER((addr)+(len)-1) == RGN_HPAGE); | |
20 | } | |
21 | ||
22 | static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm) | |
23 | { | |
24 | } | |
25 | ||
26 | static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, | |
27 | pte_t *ptep, pte_t pte) | |
28 | { | |
29 | set_pte_at(mm, addr, ptep, pte); | |
30 | } | |
31 | ||
32 | static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm, | |
33 | unsigned long addr, pte_t *ptep) | |
34 | { | |
35 | return ptep_get_and_clear(mm, addr, ptep); | |
36 | } | |
37 | ||
8fe627ec GS |
38 | static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, |
39 | unsigned long addr, pte_t *ptep) | |
40 | { | |
41 | } | |
42 | ||
7f2e9525 GS |
43 | static inline int huge_pte_none(pte_t pte) |
44 | { | |
45 | return pte_none(pte); | |
46 | } | |
47 | ||
48 | static inline pte_t huge_pte_wrprotect(pte_t pte) | |
49 | { | |
50 | return pte_wrprotect(pte); | |
51 | } | |
52 | ||
53 | static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, | |
54 | unsigned long addr, pte_t *ptep) | |
55 | { | |
56 | ptep_set_wrprotect(mm, addr, ptep); | |
57 | } | |
58 | ||
59 | static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma, | |
60 | unsigned long addr, pte_t *ptep, | |
61 | pte_t pte, int dirty) | |
62 | { | |
63 | return ptep_set_access_flags(vma, addr, ptep, pte, dirty); | |
64 | } | |
65 | ||
66 | static inline pte_t huge_ptep_get(pte_t *ptep) | |
67 | { | |
68 | return *ptep; | |
69 | } | |
70 | ||
71 | static inline int arch_prepare_hugepage(struct page *page) | |
72 | { | |
73 | return 0; | |
74 | } | |
75 | ||
76 | static inline void arch_release_hugepage(struct page *page) | |
77 | { | |
78 | } | |
79 | ||
6d779079 | 80 | #endif /* _ASM_IA64_HUGETLB_H */ |