1 | #ifndef _ASM_GENERIC_PGTABLE_UFFD_H |
2 | #define _ASM_GENERIC_PGTABLE_UFFD_H |
3 | |
4 | #ifndef CONFIG_HAVE_ARCH_USERFAULTFD_WP |
5 | static __always_inline int pte_uffd_wp(pte_t pte) |
6 | { |
7 | return 0; |
8 | } |
9 | |
10 | static __always_inline int pmd_uffd_wp(pmd_t pmd) |
11 | { |
12 | return 0; |
13 | } |
14 | |
15 | static __always_inline pte_t pte_mkuffd_wp(pte_t pte) |
16 | { |
17 | return pte; |
18 | } |
19 | |
20 | static __always_inline pmd_t pmd_mkuffd_wp(pmd_t pmd) |
21 | { |
22 | return pmd; |
23 | } |
24 | |
25 | static __always_inline pte_t pte_clear_uffd_wp(pte_t pte) |
26 | { |
27 | return pte; |
28 | } |
29 | |
30 | static __always_inline pmd_t pmd_clear_uffd_wp(pmd_t pmd) |
31 | { |
32 | return pmd; |
33 | } |
34 | |
35 | static __always_inline pte_t pte_swp_mkuffd_wp(pte_t pte) |
36 | { |
37 | return pte; |
38 | } |
39 | |
40 | static __always_inline int pte_swp_uffd_wp(pte_t pte) |
41 | { |
42 | return 0; |
43 | } |
44 | |
45 | static __always_inline pte_t pte_swp_clear_uffd_wp(pte_t pte) |
46 | { |
47 | return pte; |
48 | } |
49 | |
50 | static inline pmd_t pmd_swp_mkuffd_wp(pmd_t pmd) |
51 | { |
52 | return pmd; |
53 | } |
54 | |
55 | static inline int pmd_swp_uffd_wp(pmd_t pmd) |
56 | { |
57 | return 0; |
58 | } |
59 | |
60 | static inline pmd_t pmd_swp_clear_uffd_wp(pmd_t pmd) |
61 | { |
62 | return pmd; |
63 | } |
64 | #endif /* CONFIG_HAVE_ARCH_USERFAULTFD_WP */ |
65 | |
66 | #endif /* _ASM_GENERIC_PGTABLE_UFFD_H */ |
67 | |