1 #ifndef _ASM_IA64_HUGETLB_H
2 #define _ASM_IA64_HUGETLB_H
3
4 #include <asm/page.h>
5 #include <asm-generic/hugetlb.h>
6
7
8 void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr,
9 unsigned long end, unsigned long floor,
10 unsigned long ceiling);
11
12 int prepare_hugepage_range(struct file *file,
13 unsigned long addr, unsigned long len);
14
is_hugepage_only_range(struct mm_struct * mm,unsigned long addr,unsigned long len)15 static inline int is_hugepage_only_range(struct mm_struct *mm,
16 unsigned long addr,
17 unsigned long len)
18 {
19 return (REGION_NUMBER(addr) == RGN_HPAGE ||
20 REGION_NUMBER((addr)+(len)-1) == RGN_HPAGE);
21 }
22
hugetlb_prefault_arch_hook(struct mm_struct * mm)23 static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm)
24 {
25 }
26
set_huge_pte_at(struct mm_struct * mm,unsigned long addr,pte_t * ptep,pte_t pte)27 static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
28 pte_t *ptep, pte_t pte)
29 {
30 set_pte_at(mm, addr, ptep, pte);
31 }
32
huge_ptep_get_and_clear(struct mm_struct * mm,unsigned long addr,pte_t * ptep)33 static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
34 unsigned long addr, pte_t *ptep)
35 {
36 return ptep_get_and_clear(mm, addr, ptep);
37 }
38
huge_ptep_clear_flush(struct vm_area_struct * vma,unsigned long addr,pte_t * ptep)39 static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
40 unsigned long addr, pte_t *ptep)
41 {
42 }
43
huge_pte_none(pte_t pte)44 static inline int huge_pte_none(pte_t pte)
45 {
46 return pte_none(pte);
47 }
48
huge_pte_wrprotect(pte_t pte)49 static inline pte_t huge_pte_wrprotect(pte_t pte)
50 {
51 return pte_wrprotect(pte);
52 }
53
huge_ptep_set_wrprotect(struct mm_struct * mm,unsigned long addr,pte_t * ptep)54 static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
55 unsigned long addr, pte_t *ptep)
56 {
57 ptep_set_wrprotect(mm, addr, ptep);
58 }
59
huge_ptep_set_access_flags(struct vm_area_struct * vma,unsigned long addr,pte_t * ptep,pte_t pte,int dirty)60 static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
61 unsigned long addr, pte_t *ptep,
62 pte_t pte, int dirty)
63 {
64 return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
65 }
66
huge_ptep_get(pte_t * ptep)67 static inline pte_t huge_ptep_get(pte_t *ptep)
68 {
69 return *ptep;
70 }
71
arch_prepare_hugepage(struct page * page)72 static inline int arch_prepare_hugepage(struct page *page)
73 {
74 return 0;
75 }
76
arch_release_hugepage(struct page * page)77 static inline void arch_release_hugepage(struct page *page)
78 {
79 }
80
arch_clear_hugepage_flags(struct page * page)81 static inline void arch_clear_hugepage_flags(struct page *page)
82 {
83 }
84
85 #endif /* _ASM_IA64_HUGETLB_H */
86