1 #ifndef _ASM_X86_HUGETLB_H
2 #define _ASM_X86_HUGETLB_H
7 static inline int is_hugepage_only_range(struct mm_struct *mm,
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(unsigned long addr, unsigned long len)
19 if (len & ~HPAGE_MASK)
21 if (addr & ~HPAGE_MASK)
26 static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm) {
29 static inline void hugetlb_free_pgd_range(struct mmu_gather **tlb,
30 unsigned long addr, unsigned long end,
32 unsigned long ceiling)
34 free_pgd_range(tlb, addr, end, floor, ceiling);
37 static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
38 pte_t *ptep, pte_t pte)
40 set_pte_at(mm, addr, ptep, pte);
43 static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
44 unsigned long addr, pte_t *ptep)
46 return ptep_get_and_clear(mm, addr, ptep);
49 static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
50 unsigned long addr, pte_t *ptep)
54 static inline int huge_pte_none(pte_t pte)
59 static inline pte_t huge_pte_wrprotect(pte_t pte)
61 return pte_wrprotect(pte);
64 static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
65 unsigned long addr, pte_t *ptep)
67 ptep_set_wrprotect(mm, addr, ptep);
70 static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
71 unsigned long addr, pte_t *ptep,
74 return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
77 static inline pte_t huge_ptep_get(pte_t *ptep)
82 static inline int arch_prepare_hugepage(struct page *page)
87 static inline void arch_release_hugepage(struct page *page)
91 #endif /* _ASM_X86_HUGETLB_H */