diff options
Diffstat (limited to 'include/asm-sparc64/hugetlb.h')
-rw-r--r-- | include/asm-sparc64/hugetlb.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/include/asm-sparc64/hugetlb.h b/include/asm-sparc64/hugetlb.h new file mode 100644 index 000000000000..7e111cfd31ea --- /dev/null +++ b/include/asm-sparc64/hugetlb.h | |||
@@ -0,0 +1,42 @@ | |||
1 | #ifndef _ASM_SPARC64_HUGETLB_H | ||
2 | #define _ASM_SPARC64_HUGETLB_H | ||
3 | |||
4 | #include <asm/page.h> | ||
5 | |||
6 | |||
7 | void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, | ||
8 | pte_t *ptep, pte_t pte); | ||
9 | |||
10 | pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, | ||
11 | pte_t *ptep); | ||
12 | |||
13 | void hugetlb_prefault_arch_hook(struct mm_struct *mm); | ||
14 | |||
15 | static inline int is_hugepage_only_range(struct mm_struct *mm, | ||
16 | unsigned long addr, | ||
17 | unsigned long len) { | ||
18 | return 0; | ||
19 | } | ||
20 | |||
21 | /* | ||
22 | * If the arch doesn't supply something else, assume that hugepage | ||
23 | * size aligned regions are ok without further preparation. | ||
24 | */ | ||
25 | static inline int prepare_hugepage_range(unsigned long addr, unsigned long len) | ||
26 | { | ||
27 | if (len & ~HPAGE_MASK) | ||
28 | return -EINVAL; | ||
29 | if (addr & ~HPAGE_MASK) | ||
30 | return -EINVAL; | ||
31 | return 0; | ||
32 | } | ||
33 | |||
34 | static inline void hugetlb_free_pgd_range(struct mmu_gather **tlb, | ||
35 | unsigned long addr, unsigned long end, | ||
36 | unsigned long floor, | ||
37 | unsigned long ceiling) | ||
38 | { | ||
39 | free_pgd_range(tlb, addr, end, floor, ceiling); | ||
40 | } | ||
41 | |||
42 | #endif /* _ASM_SPARC64_HUGETLB_H */ | ||