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1 | /* SPDX-License-Identifier: GPL-2.0 */ | |
2 | #ifndef _ASM_IA64_HUGETLB_H | |
3 | #define _ASM_IA64_HUGETLB_H | |
4 | ||
5 | #include <asm/page.h> | |
6 | #include <asm-generic/hugetlb.h> | |
7 | ||
8 | ||
9 | void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr, | |
10 | unsigned long end, unsigned long floor, | |
11 | unsigned long ceiling); | |
12 | ||
13 | int prepare_hugepage_range(struct file *file, | |
14 | unsigned long addr, unsigned long len); | |
15 | ||
16 | static inline int is_hugepage_only_range(struct mm_struct *mm, | |
17 | unsigned long addr, | |
18 | unsigned long len) | |
19 | { | |
20 | return (REGION_NUMBER(addr) == RGN_HPAGE || | |
21 | REGION_NUMBER((addr)+(len)-1) == RGN_HPAGE); | |
22 | } | |
23 | ||
24 | static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, | |
25 | pte_t *ptep, pte_t pte) | |
26 | { | |
27 | set_pte_at(mm, addr, ptep, pte); | |
28 | } | |
29 | ||
30 | static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm, | |
31 | unsigned long addr, pte_t *ptep) | |
32 | { | |
33 | return ptep_get_and_clear(mm, addr, ptep); | |
34 | } | |
35 | ||
36 | static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, | |
37 | unsigned long addr, pte_t *ptep) | |
38 | { | |
39 | } | |
40 | ||
41 | static inline int huge_pte_none(pte_t pte) | |
42 | { | |
43 | return pte_none(pte); | |
44 | } | |
45 | ||
46 | static inline pte_t huge_pte_wrprotect(pte_t pte) | |
47 | { | |
48 | return pte_wrprotect(pte); | |
49 | } | |
50 | ||
51 | static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, | |
52 | unsigned long addr, pte_t *ptep) | |
53 | { | |
54 | ptep_set_wrprotect(mm, addr, ptep); | |
55 | } | |
56 | ||
57 | static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma, | |
58 | unsigned long addr, pte_t *ptep, | |
59 | pte_t pte, int dirty) | |
60 | { | |
61 | return ptep_set_access_flags(vma, addr, ptep, pte, dirty); | |
62 | } | |
63 | ||
64 | static inline pte_t huge_ptep_get(pte_t *ptep) | |
65 | { | |
66 | return *ptep; | |
67 | } | |
68 | ||
69 | static inline void arch_clear_hugepage_flags(struct page *page) | |
70 | { | |
71 | } | |
72 | ||
73 | #endif /* _ASM_IA64_HUGETLB_H */ |