1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_GENERIC_HUGETLB_H
3 #define _ASM_GENERIC_HUGETLB_H
5 static inline pte_t
mk_huge_pte(struct page
*page
, pgprot_t pgprot
)
7 return mk_pte(page
, pgprot
);
10 static inline unsigned long huge_pte_write(pte_t pte
)
12 return pte_write(pte
);
15 static inline unsigned long huge_pte_dirty(pte_t pte
)
17 return pte_dirty(pte
);
20 static inline pte_t
huge_pte_mkwrite(pte_t pte
)
22 return pte_mkwrite(pte
);
25 static inline pte_t
huge_pte_mkdirty(pte_t pte
)
27 return pte_mkdirty(pte
);
30 static inline pte_t
huge_pte_modify(pte_t pte
, pgprot_t newprot
)
32 return pte_modify(pte
, newprot
);
35 #ifndef __HAVE_ARCH_HUGE_PTE_CLEAR
36 static inline void huge_pte_clear(struct mm_struct
*mm
, unsigned long addr
,
37 pte_t
*ptep
, unsigned long sz
)
39 pte_clear(mm
, addr
, ptep
);
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
)
48 free_pgd_range(tlb
, addr
, end
, floor
, ceiling
);
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
)
56 set_pte_at(mm
, addr
, ptep
, pte
);
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
)
64 return ptep_get_and_clear(mm
, addr
, ptep
);
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
)
72 ptep_clear_flush(vma
, addr
, ptep
);
76 #ifndef __HAVE_ARCH_HUGE_PTE_NONE
77 static inline int huge_pte_none(pte_t pte
)
83 #ifndef __HAVE_ARCH_HUGE_PTE_WRPROTECT
84 static inline pte_t
huge_pte_wrprotect(pte_t pte
)
86 return pte_wrprotect(pte
);
90 #ifndef __HAVE_ARCH_PREPARE_HUGEPAGE_RANGE
91 static inline int prepare_hugepage_range(struct file
*file
,
92 unsigned long addr
, unsigned long len
)
94 struct hstate
*h
= hstate_file(file
);
96 if (len
& ~huge_page_mask(h
))
98 if (addr
& ~huge_page_mask(h
))
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
)
109 ptep_set_wrprotect(mm
, addr
, ptep
);
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
)
118 return ptep_set_access_flags(vma
, addr
, ptep
, pte
, dirty
);
122 #ifndef __HAVE_ARCH_HUGE_PTEP_GET
123 static inline pte_t
huge_ptep_get(pte_t
*ptep
)
125 return ptep_get(ptep
);
129 #ifndef __HAVE_ARCH_GIGANTIC_PAGE_RUNTIME_SUPPORTED
130 static inline bool gigantic_page_runtime_supported(void)
132 return IS_ENABLED(CONFIG_ARCH_HAS_GIGANTIC_PAGE
);
134 #endif /* __HAVE_ARCH_GIGANTIC_PAGE_RUNTIME_SUPPORTED */
136 #endif /* _ASM_GENERIC_HUGETLB_H */