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3c7b4e6b CM |
1 | /* |
2 | * include/linux/kmemleak.h | |
3 | * | |
4 | * Copyright (C) 2008 ARM Limited | |
5 | * Written by Catalin Marinas <catalin.marinas@arm.com> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | */ | |
20 | ||
21 | #ifndef __KMEMLEAK_H | |
22 | #define __KMEMLEAK_H | |
23 | ||
66f2ca7e | 24 | #include <linux/slab.h> |
94f4a161 | 25 | #include <linux/vmalloc.h> |
66f2ca7e | 26 | |
3c7b4e6b CM |
27 | #ifdef CONFIG_DEBUG_KMEMLEAK |
28 | ||
98e89cf0 | 29 | extern void kmemleak_init(void) __init; |
3c7b4e6b | 30 | extern void kmemleak_alloc(const void *ptr, size_t size, int min_count, |
a6186d89 | 31 | gfp_t gfp) __ref; |
8a8c35fa LF |
32 | extern void kmemleak_alloc_percpu(const void __percpu *ptr, size_t size, |
33 | gfp_t gfp) __ref; | |
94f4a161 CM |
34 | extern void kmemleak_vmalloc(const struct vm_struct *area, size_t size, |
35 | gfp_t gfp) __ref; | |
a6186d89 CM |
36 | extern void kmemleak_free(const void *ptr) __ref; |
37 | extern void kmemleak_free_part(const void *ptr, size_t size) __ref; | |
f528f0b8 | 38 | extern void kmemleak_free_percpu(const void __percpu *ptr) __ref; |
ffe2c748 | 39 | extern void kmemleak_update_trace(const void *ptr) __ref; |
a6186d89 CM |
40 | extern void kmemleak_not_leak(const void *ptr) __ref; |
41 | extern void kmemleak_ignore(const void *ptr) __ref; | |
c017b4be | 42 | extern void kmemleak_scan_area(const void *ptr, size_t size, gfp_t gfp) __ref; |
a6186d89 | 43 | extern void kmemleak_no_scan(const void *ptr) __ref; |
9099daed CM |
44 | extern void kmemleak_alloc_phys(phys_addr_t phys, size_t size, int min_count, |
45 | gfp_t gfp) __ref; | |
46 | extern void kmemleak_free_part_phys(phys_addr_t phys, size_t size) __ref; | |
47 | extern void kmemleak_not_leak_phys(phys_addr_t phys) __ref; | |
48 | extern void kmemleak_ignore_phys(phys_addr_t phys) __ref; | |
3c7b4e6b CM |
49 | |
50 | static inline void kmemleak_alloc_recursive(const void *ptr, size_t size, | |
d50112ed | 51 | int min_count, slab_flags_t flags, |
3c7b4e6b CM |
52 | gfp_t gfp) |
53 | { | |
54 | if (!(flags & SLAB_NOLEAKTRACE)) | |
55 | kmemleak_alloc(ptr, size, min_count, gfp); | |
56 | } | |
57 | ||
d50112ed | 58 | static inline void kmemleak_free_recursive(const void *ptr, slab_flags_t flags) |
3c7b4e6b CM |
59 | { |
60 | if (!(flags & SLAB_NOLEAKTRACE)) | |
61 | kmemleak_free(ptr); | |
62 | } | |
63 | ||
64 | static inline void kmemleak_erase(void **ptr) | |
65 | { | |
66 | *ptr = NULL; | |
67 | } | |
68 | ||
69 | #else | |
70 | ||
71 | static inline void kmemleak_init(void) | |
72 | { | |
73 | } | |
74 | static inline void kmemleak_alloc(const void *ptr, size_t size, int min_count, | |
75 | gfp_t gfp) | |
76 | { | |
77 | } | |
78 | static inline void kmemleak_alloc_recursive(const void *ptr, size_t size, | |
d50112ed | 79 | int min_count, slab_flags_t flags, |
3c7b4e6b CM |
80 | gfp_t gfp) |
81 | { | |
82 | } | |
8a8c35fa LF |
83 | static inline void kmemleak_alloc_percpu(const void __percpu *ptr, size_t size, |
84 | gfp_t gfp) | |
f528f0b8 CM |
85 | { |
86 | } | |
94f4a161 CM |
87 | static inline void kmemleak_vmalloc(const struct vm_struct *area, size_t size, |
88 | gfp_t gfp) | |
89 | { | |
90 | } | |
3c7b4e6b CM |
91 | static inline void kmemleak_free(const void *ptr) |
92 | { | |
93 | } | |
53238a60 CM |
94 | static inline void kmemleak_free_part(const void *ptr, size_t size) |
95 | { | |
96 | } | |
d50112ed | 97 | static inline void kmemleak_free_recursive(const void *ptr, slab_flags_t flags) |
3c7b4e6b CM |
98 | { |
99 | } | |
f528f0b8 CM |
100 | static inline void kmemleak_free_percpu(const void __percpu *ptr) |
101 | { | |
102 | } | |
ffe2c748 CM |
103 | static inline void kmemleak_update_trace(const void *ptr) |
104 | { | |
105 | } | |
3c7b4e6b CM |
106 | static inline void kmemleak_not_leak(const void *ptr) |
107 | { | |
108 | } | |
109 | static inline void kmemleak_ignore(const void *ptr) | |
110 | { | |
111 | } | |
c017b4be | 112 | static inline void kmemleak_scan_area(const void *ptr, size_t size, gfp_t gfp) |
3c7b4e6b CM |
113 | { |
114 | } | |
115 | static inline void kmemleak_erase(void **ptr) | |
116 | { | |
117 | } | |
118 | static inline void kmemleak_no_scan(const void *ptr) | |
119 | { | |
120 | } | |
9099daed CM |
121 | static inline void kmemleak_alloc_phys(phys_addr_t phys, size_t size, |
122 | int min_count, gfp_t gfp) | |
123 | { | |
124 | } | |
125 | static inline void kmemleak_free_part_phys(phys_addr_t phys, size_t size) | |
126 | { | |
127 | } | |
128 | static inline void kmemleak_not_leak_phys(phys_addr_t phys) | |
129 | { | |
130 | } | |
131 | static inline void kmemleak_ignore_phys(phys_addr_t phys) | |
132 | { | |
133 | } | |
3c7b4e6b CM |
134 | |
135 | #endif /* CONFIG_DEBUG_KMEMLEAK */ | |
136 | ||
137 | #endif /* __KMEMLEAK_H */ |