Commit | Line | Data |
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45051539 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
3c7b4e6b CM |
2 | /* |
3 | * include/linux/kmemleak.h | |
4 | * | |
5 | * Copyright (C) 2008 ARM Limited | |
6 | * Written by Catalin Marinas <catalin.marinas@arm.com> | |
3c7b4e6b CM |
7 | */ |
8 | ||
9 | #ifndef __KMEMLEAK_H | |
10 | #define __KMEMLEAK_H | |
11 | ||
66f2ca7e | 12 | #include <linux/slab.h> |
94f4a161 | 13 | #include <linux/vmalloc.h> |
66f2ca7e | 14 | |
3c7b4e6b CM |
15 | #ifdef CONFIG_DEBUG_KMEMLEAK |
16 | ||
98e89cf0 | 17 | extern void kmemleak_init(void) __init; |
3c7b4e6b | 18 | extern void kmemleak_alloc(const void *ptr, size_t size, int min_count, |
a6186d89 | 19 | gfp_t gfp) __ref; |
8a8c35fa LF |
20 | extern void kmemleak_alloc_percpu(const void __percpu *ptr, size_t size, |
21 | gfp_t gfp) __ref; | |
94f4a161 CM |
22 | extern void kmemleak_vmalloc(const struct vm_struct *area, size_t size, |
23 | gfp_t gfp) __ref; | |
a6186d89 CM |
24 | extern void kmemleak_free(const void *ptr) __ref; |
25 | extern void kmemleak_free_part(const void *ptr, size_t size) __ref; | |
f528f0b8 | 26 | extern void kmemleak_free_percpu(const void __percpu *ptr) __ref; |
ffe2c748 | 27 | extern void kmemleak_update_trace(const void *ptr) __ref; |
a6186d89 CM |
28 | extern void kmemleak_not_leak(const void *ptr) __ref; |
29 | extern void kmemleak_ignore(const void *ptr) __ref; | |
c017b4be | 30 | extern void kmemleak_scan_area(const void *ptr, size_t size, gfp_t gfp) __ref; |
a6186d89 | 31 | extern void kmemleak_no_scan(const void *ptr) __ref; |
c200d900 | 32 | extern void kmemleak_alloc_phys(phys_addr_t phys, size_t size, |
9099daed CM |
33 | gfp_t gfp) __ref; |
34 | extern void kmemleak_free_part_phys(phys_addr_t phys, size_t size) __ref; | |
9099daed | 35 | extern void kmemleak_ignore_phys(phys_addr_t phys) __ref; |
3c7b4e6b CM |
36 | |
37 | static inline void kmemleak_alloc_recursive(const void *ptr, size_t size, | |
d50112ed | 38 | int min_count, slab_flags_t flags, |
3c7b4e6b CM |
39 | gfp_t gfp) |
40 | { | |
41 | if (!(flags & SLAB_NOLEAKTRACE)) | |
42 | kmemleak_alloc(ptr, size, min_count, gfp); | |
43 | } | |
44 | ||
d50112ed | 45 | static inline void kmemleak_free_recursive(const void *ptr, slab_flags_t flags) |
3c7b4e6b CM |
46 | { |
47 | if (!(flags & SLAB_NOLEAKTRACE)) | |
48 | kmemleak_free(ptr); | |
49 | } | |
50 | ||
51 | static inline void kmemleak_erase(void **ptr) | |
52 | { | |
53 | *ptr = NULL; | |
54 | } | |
55 | ||
56 | #else | |
57 | ||
58 | static inline void kmemleak_init(void) | |
59 | { | |
60 | } | |
61 | static inline void kmemleak_alloc(const void *ptr, size_t size, int min_count, | |
62 | gfp_t gfp) | |
63 | { | |
64 | } | |
65 | static inline void kmemleak_alloc_recursive(const void *ptr, size_t size, | |
d50112ed | 66 | int min_count, slab_flags_t flags, |
3c7b4e6b CM |
67 | gfp_t gfp) |
68 | { | |
69 | } | |
8a8c35fa LF |
70 | static inline void kmemleak_alloc_percpu(const void __percpu *ptr, size_t size, |
71 | gfp_t gfp) | |
f528f0b8 CM |
72 | { |
73 | } | |
94f4a161 CM |
74 | static inline void kmemleak_vmalloc(const struct vm_struct *area, size_t size, |
75 | gfp_t gfp) | |
76 | { | |
77 | } | |
3c7b4e6b CM |
78 | static inline void kmemleak_free(const void *ptr) |
79 | { | |
80 | } | |
53238a60 CM |
81 | static inline void kmemleak_free_part(const void *ptr, size_t size) |
82 | { | |
83 | } | |
d50112ed | 84 | static inline void kmemleak_free_recursive(const void *ptr, slab_flags_t flags) |
3c7b4e6b CM |
85 | { |
86 | } | |
f528f0b8 CM |
87 | static inline void kmemleak_free_percpu(const void __percpu *ptr) |
88 | { | |
89 | } | |
ffe2c748 CM |
90 | static inline void kmemleak_update_trace(const void *ptr) |
91 | { | |
92 | } | |
3c7b4e6b CM |
93 | static inline void kmemleak_not_leak(const void *ptr) |
94 | { | |
95 | } | |
96 | static inline void kmemleak_ignore(const void *ptr) | |
97 | { | |
98 | } | |
c017b4be | 99 | static inline void kmemleak_scan_area(const void *ptr, size_t size, gfp_t gfp) |
3c7b4e6b CM |
100 | { |
101 | } | |
102 | static inline void kmemleak_erase(void **ptr) | |
103 | { | |
104 | } | |
105 | static inline void kmemleak_no_scan(const void *ptr) | |
106 | { | |
107 | } | |
9099daed | 108 | static inline void kmemleak_alloc_phys(phys_addr_t phys, size_t size, |
c200d900 | 109 | gfp_t gfp) |
9099daed CM |
110 | { |
111 | } | |
112 | static inline void kmemleak_free_part_phys(phys_addr_t phys, size_t size) | |
113 | { | |
114 | } | |
9099daed CM |
115 | static inline void kmemleak_ignore_phys(phys_addr_t phys) |
116 | { | |
117 | } | |
3c7b4e6b CM |
118 | |
119 | #endif /* CONFIG_DEBUG_KMEMLEAK */ | |
120 | ||
121 | #endif /* __KMEMLEAK_H */ |