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-rw-r--r--include/asm-sparc64/hugetlb.h42
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
7void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
8 pte_t *ptep, pte_t pte);
9
10pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
11 pte_t *ptep);
12
13void hugetlb_prefault_arch_hook(struct mm_struct *mm);
14
15static 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 */
25static 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
34static 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 */