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Gerald Schaefer6d779072008-04-28 02:13:27 -07001#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(unsigned long addr, unsigned long len);
12
13static inline int is_hugepage_only_range(struct mm_struct *mm,
14 unsigned long addr,
15 unsigned long len)
16{
17 return (REGION_NUMBER(addr) == RGN_HPAGE ||
18 REGION_NUMBER((addr)+(len)-1) == RGN_HPAGE);
19}
20
21static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm)
22{
23}
24
25static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
26 pte_t *ptep, pte_t pte)
27{
28 set_pte_at(mm, addr, ptep, pte);
29}
30
31static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
32 unsigned long addr, pte_t *ptep)
33{
34 return ptep_get_and_clear(mm, addr, ptep);
35}
36
Gerald Schaefer8fe627e2008-04-28 02:13:28 -070037static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
38 unsigned long addr, pte_t *ptep)
39{
40}
41
Gerald Schaefer7f2e9522008-04-28 02:13:29 -070042static inline int huge_pte_none(pte_t pte)
43{
44 return pte_none(pte);
45}
46
47static inline pte_t huge_pte_wrprotect(pte_t pte)
48{
49 return pte_wrprotect(pte);
50}
51
52static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
53 unsigned long addr, pte_t *ptep)
54{
55 ptep_set_wrprotect(mm, addr, ptep);
56}
57
58static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
59 unsigned long addr, pte_t *ptep,
60 pte_t pte, int dirty)
61{
62 return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
63}
64
65static inline pte_t huge_ptep_get(pte_t *ptep)
66{
67 return *ptep;
68}
69
70static inline int arch_prepare_hugepage(struct page *page)
71{
72 return 0;
73}
74
75static inline void arch_release_hugepage(struct page *page)
76{
77}
78
Gerald Schaefer6d779072008-04-28 02:13:27 -070079#endif /* _ASM_IA64_HUGETLB_H */