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