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-rw-r--r--include/asm-sh/hugetlb.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/include/asm-sh/hugetlb.h b/include/asm-sh/hugetlb.h
new file mode 100644
index 000000000000..885218d2c844
--- /dev/null
+++ b/include/asm-sh/hugetlb.h
@@ -0,0 +1,49 @@
1#ifndef _ASM_SH_HUGETLB_H
2#define _ASM_SH_HUGETLB_H
3
4#include <asm/page.h>
5
6
7static 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 */
17static 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
26static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm) {
27}
28
29static 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
37static 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
43static 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
49#endif /* _ASM_SH_HUGETLB_H */