Commit | Line | Data |
---|---|---|
6d779079 GS |
1 | #ifndef _ASM_X86_HUGETLB_H |
2 | #define _ASM_X86_HUGETLB_H | |
3 | ||
4 | #include <asm/page.h> | |
5 | ||
6 | ||
7 | static inline int is_hugepage_only_range(struct mm_struct *mm, | |
8 | unsigned long addr, | |
9 | unsigned long len) { | |
10 | return 0; | |
11 | } | |
12 | ||
13 | /* | |
14 | * If the arch doesn't supply something else, assume that hugepage | |
15 | * size aligned regions are ok without further preparation. | |
16 | */ | |
17 | static inline int prepare_hugepage_range(unsigned long addr, unsigned long len) | |
18 | { | |
19 | if (len & ~HPAGE_MASK) | |
20 | return -EINVAL; | |
21 | if (addr & ~HPAGE_MASK) | |
22 | return -EINVAL; | |
23 | return 0; | |
24 | } | |
25 | ||
26 | static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm) { | |
27 | } | |
28 | ||
29 | static inline void hugetlb_free_pgd_range(struct mmu_gather **tlb, | |
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 | { | |
52 | } | |
53 | ||
6d779079 | 54 | #endif /* _ASM_X86_HUGETLB_H */ |