target: Drop incorrect se_lun_acl release for dynamic -> explict ACL conversion
[zen-stable.git] / arch / x86 / include / asm / hugetlb.h
blob439a9acc132d10f77b469fc24b250f3acc2f51d9
1 #ifndef _ASM_X86_HUGETLB_H
2 #define _ASM_X86_HUGETLB_H
4 #include <asm/page.h>
7 static inline int is_hugepage_only_range(struct mm_struct *mm,
8 unsigned long addr,
9 unsigned long len) {
10 return 0;
14 * If the arch doesn't supply something else, assume that hugepage
15 * size aligned regions are ok without further preparation.
17 static inline int prepare_hugepage_range(struct file *file,
18 unsigned long addr, unsigned long len)
20 struct hstate *h = hstate_file(file);
21 if (len & ~huge_page_mask(h))
22 return -EINVAL;
23 if (addr & ~huge_page_mask(h))
24 return -EINVAL;
25 return 0;
28 static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm) {
31 static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb,
32 unsigned long addr, unsigned long end,
33 unsigned long floor,
34 unsigned long ceiling)
36 free_pgd_range(tlb, addr, end, floor, ceiling);
39 static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
40 pte_t *ptep, pte_t pte)
42 set_pte_at(mm, addr, ptep, pte);
45 static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
46 unsigned long addr, pte_t *ptep)
48 return ptep_get_and_clear(mm, addr, ptep);
51 static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
52 unsigned long addr, pte_t *ptep)
56 static inline int huge_pte_none(pte_t pte)
58 return pte_none(pte);
61 static inline pte_t huge_pte_wrprotect(pte_t pte)
63 return pte_wrprotect(pte);
66 static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
67 unsigned long addr, pte_t *ptep)
69 ptep_set_wrprotect(mm, addr, ptep);
72 static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
73 unsigned long addr, pte_t *ptep,
74 pte_t pte, int dirty)
76 return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
79 static inline pte_t huge_ptep_get(pte_t *ptep)
81 return *ptep;
84 static inline int arch_prepare_hugepage(struct page *page)
86 return 0;
89 static inline void arch_release_hugepage(struct page *page)
93 #endif /* _ASM_X86_HUGETLB_H */