projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 106c992a GS |
2 | #ifndef _ASM_GENERIC_HUGETLB_H |
| 3 | #define _ASM_GENERIC_HUGETLB_H | |
| 4 | ||
| 5 | static inline pte_t mk_huge_pte(struct page *page, pgprot_t pgprot) | |
| 6 | { | |
| 7 | return mk_pte(page, pgprot); | |
| 8 | } | |
| 9 | ||
| 26794942 | 10 | static inline unsigned long huge_pte_write(pte_t pte) |
| 106c992a GS |
11 | { |
| 12 | return pte_write(pte); | |
| 13 | } | |
| 14 | ||
| 26794942 | 15 | static inline unsigned long huge_pte_dirty(pte_t pte) |
| 106c992a GS |
16 | { |
| 17 | return pte_dirty(pte); | |
| 18 | } | |
| 19 | ||
| 20 | static inline pte_t huge_pte_mkwrite(pte_t pte) | |
| 21 | { | |
| 22 | return pte_mkwrite(pte); | |
| 23 | } | |
| 24 | ||
| 25 | static inline pte_t huge_pte_mkdirty(pte_t pte) | |
| 26 | { | |
| 27 | return pte_mkdirty(pte); | |
| 28 | } | |
| 29 | ||
| 30 | static inline pte_t huge_pte_modify(pte_t pte, pgprot_t newprot) | |
| 31 | { | |
| 32 | return pte_modify(pte, newprot); | |
| 33 | } | |
| 34 | ||
| d018498c | 35 | #ifndef __HAVE_ARCH_HUGE_PTE_CLEAR |
| 106c992a | 36 | static inline void huge_pte_clear(struct mm_struct *mm, unsigned long addr, |
| 9386fac3 | 37 | pte_t *ptep, unsigned long sz) |
| 106c992a GS |
38 | { |
| 39 | pte_clear(mm, addr, ptep); | |
| 40 | } | |
| 9386fac3 | 41 | #endif |
| 106c992a | 42 | |
| 1e5f50fc AG |
43 | #ifndef __HAVE_ARCH_HUGETLB_FREE_PGD_RANGE |
| 44 | static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb, | |
| 45 | unsigned long addr, unsigned long end, | |
| 46 | unsigned long floor, unsigned long ceiling) | |
| 47 | { | |
| 48 | free_pgd_range(tlb, addr, end, floor, ceiling); | |
| 49 | } | |
| cea685d5 | 50 | #endif |
| 1e5f50fc | 51 | |
| cea685d5 AG |
52 | #ifndef __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT |
| 53 | static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, | |
| 54 | pte_t *ptep, pte_t pte) | |
| 55 | { | |
| 56 | set_pte_at(mm, addr, ptep, pte); | |
| 57 | } | |
| 1e5f50fc AG |
58 | #endif |
| 59 | ||
| a4d83853 AG |
60 | #ifndef __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR |
| 61 | static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm, | |
| 62 | unsigned long addr, pte_t *ptep) | |
| 63 | { | |
| 64 | return ptep_get_and_clear(mm, addr, ptep); | |
| 65 | } | |
| 66 | #endif | |
| 67 | ||
| fe632225 AG |
68 | #ifndef __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH |
| 69 | static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, | |
| 70 | unsigned long addr, pte_t *ptep) | |
| 71 | { | |
| 72 | ptep_clear_flush(vma, addr, ptep); | |
| 73 | } | |
| 74 | #endif | |
| 75 | ||
| cae72abc AG |
76 | #ifndef __HAVE_ARCH_HUGE_PTE_NONE |
| 77 | static inline int huge_pte_none(pte_t pte) | |
| 78 | { | |
| 79 | return pte_none(pte); | |
| 80 | } | |
| 81 | #endif | |
| 82 | ||
| c4916a00 AG |
83 | #ifndef __HAVE_ARCH_HUGE_PTE_WRPROTECT |
| 84 | static inline pte_t huge_pte_wrprotect(pte_t pte) | |
| 85 | { | |
| 86 | return pte_wrprotect(pte); | |
| 87 | } | |
| 88 | #endif | |
| 89 | ||
| 78d6e4e8 AG |
90 | #ifndef __HAVE_ARCH_PREPARE_HUGEPAGE_RANGE |
| 91 | static inline int prepare_hugepage_range(struct file *file, | |
| 92 | unsigned long addr, unsigned long len) | |
| 93 | { | |
| 94 | struct hstate *h = hstate_file(file); | |
| 95 | ||
| 96 | if (len & ~huge_page_mask(h)) | |
| 97 | return -EINVAL; | |
| 98 | if (addr & ~huge_page_mask(h)) | |
| 99 | return -EINVAL; | |
| 100 | ||
| 101 | return 0; | |
| 102 | } | |
| 103 | #endif | |
| 104 | ||
| 8e581d43 AG |
105 | #ifndef __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT |
| 106 | static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, | |
| 107 | unsigned long addr, pte_t *ptep) | |
| 108 | { | |
| 109 | ptep_set_wrprotect(mm, addr, ptep); | |
| 110 | } | |
| 111 | #endif | |
| 112 | ||
| facf6d5b AG |
113 | #ifndef __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS |
| 114 | static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma, | |
| 115 | unsigned long addr, pte_t *ptep, | |
| 116 | pte_t pte, int dirty) | |
| 117 | { | |
| 118 | return ptep_set_access_flags(vma, addr, ptep, pte, dirty); | |
| 119 | } | |
| 120 | #endif | |
| 121 | ||
| 544db759 AG |
122 | #ifndef __HAVE_ARCH_HUGE_PTEP_GET |
| 123 | static inline pte_t huge_ptep_get(pte_t *ptep) | |
| 124 | { | |
| 125 | return *ptep; | |
| 126 | } | |
| 127 | #endif | |
| 128 | ||
| 106c992a | 129 | #endif /* _ASM_GENERIC_HUGETLB_H */ |