HID: i2c-hid: use "struct i2c_hid" as argument in most calls
[platform/kernel/linux-starfive.git] / include / linux / page_table_check.h
1 /* SPDX-License-Identifier: GPL-2.0 */
2
3 /*
4  * Copyright (c) 2021, Google LLC.
5  * Pasha Tatashin <pasha.tatashin@soleen.com>
6  */
7 #ifndef __LINUX_PAGE_TABLE_CHECK_H
8 #define __LINUX_PAGE_TABLE_CHECK_H
9
10 #ifdef CONFIG_PAGE_TABLE_CHECK
11 #include <linux/jump_label.h>
12
13 extern struct static_key_true page_table_check_disabled;
14 extern struct page_ext_operations page_table_check_ops;
15
16 void __page_table_check_zero(struct page *page, unsigned int order);
17 void __page_table_check_pte_clear(struct mm_struct *mm, unsigned long addr,
18                                   pte_t pte);
19 void __page_table_check_pmd_clear(struct mm_struct *mm, unsigned long addr,
20                                   pmd_t pmd);
21 void __page_table_check_pud_clear(struct mm_struct *mm, unsigned long addr,
22                                   pud_t pud);
23 void __page_table_check_pte_set(struct mm_struct *mm, unsigned long addr,
24                                 pte_t *ptep, pte_t pte);
25 void __page_table_check_pmd_set(struct mm_struct *mm, unsigned long addr,
26                                 pmd_t *pmdp, pmd_t pmd);
27 void __page_table_check_pud_set(struct mm_struct *mm, unsigned long addr,
28                                 pud_t *pudp, pud_t pud);
29
30 static inline void page_table_check_alloc(struct page *page, unsigned int order)
31 {
32         if (static_branch_likely(&page_table_check_disabled))
33                 return;
34
35         __page_table_check_zero(page, order);
36 }
37
38 static inline void page_table_check_free(struct page *page, unsigned int order)
39 {
40         if (static_branch_likely(&page_table_check_disabled))
41                 return;
42
43         __page_table_check_zero(page, order);
44 }
45
46 static inline void page_table_check_pte_clear(struct mm_struct *mm,
47                                               unsigned long addr, pte_t pte)
48 {
49         if (static_branch_likely(&page_table_check_disabled))
50                 return;
51
52         __page_table_check_pte_clear(mm, addr, pte);
53 }
54
55 static inline void page_table_check_pmd_clear(struct mm_struct *mm,
56                                               unsigned long addr, pmd_t pmd)
57 {
58         if (static_branch_likely(&page_table_check_disabled))
59                 return;
60
61         __page_table_check_pmd_clear(mm, addr, pmd);
62 }
63
64 static inline void page_table_check_pud_clear(struct mm_struct *mm,
65                                               unsigned long addr, pud_t pud)
66 {
67         if (static_branch_likely(&page_table_check_disabled))
68                 return;
69
70         __page_table_check_pud_clear(mm, addr, pud);
71 }
72
73 static inline void page_table_check_pte_set(struct mm_struct *mm,
74                                             unsigned long addr, pte_t *ptep,
75                                             pte_t pte)
76 {
77         if (static_branch_likely(&page_table_check_disabled))
78                 return;
79
80         __page_table_check_pte_set(mm, addr, ptep, pte);
81 }
82
83 static inline void page_table_check_pmd_set(struct mm_struct *mm,
84                                             unsigned long addr, pmd_t *pmdp,
85                                             pmd_t pmd)
86 {
87         if (static_branch_likely(&page_table_check_disabled))
88                 return;
89
90         __page_table_check_pmd_set(mm, addr, pmdp, pmd);
91 }
92
93 static inline void page_table_check_pud_set(struct mm_struct *mm,
94                                             unsigned long addr, pud_t *pudp,
95                                             pud_t pud)
96 {
97         if (static_branch_likely(&page_table_check_disabled))
98                 return;
99
100         __page_table_check_pud_set(mm, addr, pudp, pud);
101 }
102
103 #else
104
105 static inline void page_table_check_alloc(struct page *page, unsigned int order)
106 {
107 }
108
109 static inline void page_table_check_free(struct page *page, unsigned int order)
110 {
111 }
112
113 static inline void page_table_check_pte_clear(struct mm_struct *mm,
114                                               unsigned long addr, pte_t pte)
115 {
116 }
117
118 static inline void page_table_check_pmd_clear(struct mm_struct *mm,
119                                               unsigned long addr, pmd_t pmd)
120 {
121 }
122
123 static inline void page_table_check_pud_clear(struct mm_struct *mm,
124                                               unsigned long addr, pud_t pud)
125 {
126 }
127
128 static inline void page_table_check_pte_set(struct mm_struct *mm,
129                                             unsigned long addr, pte_t *ptep,
130                                             pte_t pte)
131 {
132 }
133
134 static inline void page_table_check_pmd_set(struct mm_struct *mm,
135                                             unsigned long addr, pmd_t *pmdp,
136                                             pmd_t pmd)
137 {
138 }
139
140 static inline void page_table_check_pud_set(struct mm_struct *mm,
141                                             unsigned long addr, pud_t *pudp,
142                                             pud_t pud)
143 {
144 }
145
146 #endif /* CONFIG_PAGE_TABLE_CHECK */
147 #endif /* __LINUX_PAGE_TABLE_CHECK_H */