Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
736d2169 HD |
2 | #ifndef _ASM_PARISC64_HUGETLB_H |
3 | #define _ASM_PARISC64_HUGETLB_H | |
4 | ||
5 | #include <asm/page.h> | |
6 | #include <asm-generic/hugetlb.h> | |
7 | ||
8 | ||
9 | void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, | |
10 | pte_t *ptep, pte_t pte); | |
11 | ||
12 | pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, | |
13 | pte_t *ptep); | |
14 | ||
15 | static inline int is_hugepage_only_range(struct mm_struct *mm, | |
16 | unsigned long addr, | |
17 | unsigned long len) { | |
18 | return 0; | |
19 | } | |
20 | ||
21 | /* | |
22 | * If the arch doesn't supply something else, assume that hugepage | |
23 | * size aligned regions are ok without further preparation. | |
24 | */ | |
25 | static inline int prepare_hugepage_range(struct file *file, | |
26 | unsigned long addr, unsigned long len) | |
27 | { | |
28 | if (len & ~HPAGE_MASK) | |
29 | return -EINVAL; | |
30 | if (addr & ~HPAGE_MASK) | |
31 | return -EINVAL; | |
32 | return 0; | |
33 | } | |
34 | ||
35 | static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb, | |
36 | unsigned long addr, unsigned long end, | |
37 | unsigned long floor, | |
38 | unsigned long ceiling) | |
39 | { | |
40 | free_pgd_range(tlb, addr, end, floor, ceiling); | |
41 | } | |
42 | ||
43 | static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, | |
44 | unsigned long addr, pte_t *ptep) | |
45 | { | |
46 | } | |
47 | ||
48 | static inline int huge_pte_none(pte_t pte) | |
49 | { | |
50 | return pte_none(pte); | |
51 | } | |
52 | ||
53 | static inline pte_t huge_pte_wrprotect(pte_t pte) | |
54 | { | |
55 | return pte_wrprotect(pte); | |
56 | } | |
57 | ||
b0e55131 HD |
58 | void huge_ptep_set_wrprotect(struct mm_struct *mm, |
59 | unsigned long addr, pte_t *ptep); | |
736d2169 | 60 | |
b0e55131 | 61 | int huge_ptep_set_access_flags(struct vm_area_struct *vma, |
736d2169 | 62 | unsigned long addr, pte_t *ptep, |
b0e55131 | 63 | pte_t pte, int dirty); |
736d2169 HD |
64 | |
65 | static inline pte_t huge_ptep_get(pte_t *ptep) | |
66 | { | |
67 | return *ptep; | |
68 | } | |
69 | ||
70 | static inline void arch_clear_hugepage_flags(struct page *page) | |
71 | { | |
72 | } | |
73 | ||
74 | #endif /* _ASM_PARISC64_HUGETLB_H */ |