diff options
Diffstat (limited to 'include/asm-ia64/hugetlb.h')
-rw-r--r-- | include/asm-ia64/hugetlb.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/include/asm-ia64/hugetlb.h b/include/asm-ia64/hugetlb.h new file mode 100644 index 000000000000..f28a9701f1cf --- /dev/null +++ b/include/asm-ia64/hugetlb.h | |||
@@ -0,0 +1,79 @@ | |||
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 | |||
37 | static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, | ||
38 | unsigned long addr, pte_t *ptep) | ||
39 | { | ||
40 | } | ||
41 | |||
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 | |||
79 | #endif /* _ASM_IA64_HUGETLB_H */ | ||