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Linux kernel mirror (for testing)
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kernel
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linux
1#ifndef _ASM_IA64_HUGETLB_H
2#define _ASM_IA64_HUGETLB_H
3
4#include <asm/page.h>
5
6
7void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr,
8 unsigned long end, unsigned long floor,
9 unsigned long ceiling);
10
11int prepare_hugepage_range(struct file *file,
12 unsigned long addr, unsigned long len);
13
14static inline int is_hugepage_only_range(struct mm_struct *mm,
15 unsigned long addr,
16 unsigned long len)
17{
18 return (REGION_NUMBER(addr) == RGN_HPAGE ||
19 REGION_NUMBER((addr)+(len)-1) == RGN_HPAGE);
20}
21
22static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm)
23{
24}
25
26static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
27 pte_t *ptep, pte_t pte)
28{
29 set_pte_at(mm, addr, ptep, pte);
30}
31
32static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
33 unsigned long addr, pte_t *ptep)
34{
35 return ptep_get_and_clear(mm, addr, ptep);
36}
37
38static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
39 unsigned long addr, pte_t *ptep)
40{
41}
42
43static inline int huge_pte_none(pte_t pte)
44{
45 return pte_none(pte);
46}
47
48static inline pte_t huge_pte_wrprotect(pte_t pte)
49{
50 return pte_wrprotect(pte);
51}
52
53static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
54 unsigned long addr, pte_t *ptep)
55{
56 ptep_set_wrprotect(mm, addr, ptep);
57}
58
59static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
60 unsigned long addr, pte_t *ptep,
61 pte_t pte, int dirty)
62{
63 return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
64}
65
66static inline pte_t huge_ptep_get(pte_t *ptep)
67{
68 return *ptep;
69}
70
71static inline int arch_prepare_hugepage(struct page *page)
72{
73 return 0;
74}
75
76static inline void arch_release_hugepage(struct page *page)
77{
78}
79
80#endif /* _ASM_IA64_HUGETLB_H */