1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_GENERIC_HUGETLB_H
3 #define _ASM_GENERIC_HUGETLB_H
4
mk_huge_pte(struct page * page,pgprot_t pgprot)5 static inline pte_t mk_huge_pte(struct page *page, pgprot_t pgprot)
6 {
7 return mk_pte(page, pgprot);
8 }
9
huge_pte_write(pte_t pte)10 static inline unsigned long huge_pte_write(pte_t pte)
11 {
12 return pte_write(pte);
13 }
14
huge_pte_dirty(pte_t pte)15 static inline unsigned long huge_pte_dirty(pte_t pte)
16 {
17 return pte_dirty(pte);
18 }
19
huge_pte_mkwrite(pte_t pte)20 static inline pte_t huge_pte_mkwrite(pte_t pte)
21 {
22 return pte_mkwrite(pte);
23 }
24
huge_pte_mkdirty(pte_t pte)25 static inline pte_t huge_pte_mkdirty(pte_t pte)
26 {
27 return pte_mkdirty(pte);
28 }
29
huge_pte_modify(pte_t pte,pgprot_t newprot)30 static inline pte_t huge_pte_modify(pte_t pte, pgprot_t newprot)
31 {
32 return pte_modify(pte, newprot);
33 }
34
35 #ifndef __HAVE_ARCH_HUGE_PTE_CLEAR
huge_pte_clear(struct mm_struct * mm,unsigned long addr,pte_t * ptep,unsigned long sz)36 static inline void huge_pte_clear(struct mm_struct *mm, unsigned long addr,
37 pte_t *ptep, unsigned long sz)
38 {
39 pte_clear(mm, addr, ptep);
40 }
41 #endif
42
43 #ifndef __HAVE_ARCH_HUGETLB_FREE_PGD_RANGE
hugetlb_free_pgd_range(struct mmu_gather * tlb,unsigned long addr,unsigned long end,unsigned long floor,unsigned long ceiling)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 }
50 #endif
51
52 #ifndef __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT
set_huge_pte_at(struct mm_struct * mm,unsigned long addr,pte_t * ptep,pte_t pte)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 }
58 #endif
59
60 #ifndef __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR
huge_ptep_get_and_clear(struct mm_struct * mm,unsigned long addr,pte_t * ptep)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
68 #ifndef __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
huge_ptep_clear_flush(struct vm_area_struct * vma,unsigned long addr,pte_t * ptep)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
76 #ifndef __HAVE_ARCH_HUGE_PTE_NONE
huge_pte_none(pte_t pte)77 static inline int huge_pte_none(pte_t pte)
78 {
79 return pte_none(pte);
80 }
81 #endif
82
83 #ifndef __HAVE_ARCH_HUGE_PTE_WRPROTECT
huge_pte_wrprotect(pte_t pte)84 static inline pte_t huge_pte_wrprotect(pte_t pte)
85 {
86 return pte_wrprotect(pte);
87 }
88 #endif
89
90 #ifndef __HAVE_ARCH_PREPARE_HUGEPAGE_RANGE
prepare_hugepage_range(struct file * file,unsigned long addr,unsigned long len)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
105 #ifndef __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT
huge_ptep_set_wrprotect(struct mm_struct * mm,unsigned long addr,pte_t * ptep)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
113 #ifndef __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS
huge_ptep_set_access_flags(struct vm_area_struct * vma,unsigned long addr,pte_t * ptep,pte_t pte,int dirty)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
122 #ifndef __HAVE_ARCH_HUGE_PTEP_GET
huge_ptep_get(pte_t * ptep)123 static inline pte_t huge_ptep_get(pte_t *ptep)
124 {
125 return ptep_get(ptep);
126 }
127 #endif
128
129 #ifndef __HAVE_ARCH_GIGANTIC_PAGE_RUNTIME_SUPPORTED
gigantic_page_runtime_supported(void)130 static inline bool gigantic_page_runtime_supported(void)
131 {
132 return IS_ENABLED(CONFIG_ARCH_HAS_GIGANTIC_PAGE);
133 }
134 #endif /* __HAVE_ARCH_GIGANTIC_PAGE_RUNTIME_SUPPORTED */
135
136 #endif /* _ASM_GENERIC_HUGETLB_H */
137