These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / arch / ia64 / include / asm / hugetlb.h
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
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
23 static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
24                                    pte_t *ptep, pte_t pte)
25 {
26         set_pte_at(mm, addr, ptep, pte);
27 }
28
29 static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
30                                             unsigned long addr, pte_t *ptep)
31 {
32         return ptep_get_and_clear(mm, addr, ptep);
33 }
34
35 static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
36                                          unsigned long addr, pte_t *ptep)
37 {
38 }
39
40 static inline int huge_pte_none(pte_t pte)
41 {
42         return pte_none(pte);
43 }
44
45 static inline pte_t huge_pte_wrprotect(pte_t pte)
46 {
47         return pte_wrprotect(pte);
48 }
49
50 static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
51                                            unsigned long addr, pte_t *ptep)
52 {
53         ptep_set_wrprotect(mm, addr, ptep);
54 }
55
56 static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
57                                              unsigned long addr, pte_t *ptep,
58                                              pte_t pte, int dirty)
59 {
60         return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
61 }
62
63 static inline pte_t huge_ptep_get(pte_t *ptep)
64 {
65         return *ptep;
66 }
67
68 static inline void arch_clear_hugepage_flags(struct page *page)
69 {
70 }
71
72 #endif /* _ASM_IA64_HUGETLB_H */