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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 | ||
24 | #ifdef CONFIG_DEBUG_KMEMLEAK | |
25 | ||
26 | extern void kmemleak_init(void) __ref; | |
27 | extern void kmemleak_alloc(const void *ptr, size_t size, int min_count, | |
28 | gfp_t gfp) __ref; | |
29 | extern void kmemleak_alloc_percpu(const void __percpu *ptr, size_t size) __ref; | |
30 | extern void kmemleak_free(const void *ptr) __ref; | |
31 | extern void kmemleak_free_part(const void *ptr, size_t size) __ref; | |
32 | extern void kmemleak_free_percpu(const void __percpu *ptr) __ref; | |
33 | extern void kmemleak_padding(const void *ptr, unsigned long offset, | |
34 | size_t size) __ref; | |
35 | extern void kmemleak_not_leak(const void *ptr) __ref; | |
36 | extern void kmemleak_ignore(const void *ptr) __ref; | |
37 | extern void kmemleak_scan_area(const void *ptr, size_t size, gfp_t gfp) __ref; | |
38 | extern void kmemleak_no_scan(const void *ptr) __ref; | |
39 | ||
40 | static inline void kmemleak_alloc_recursive(const void *ptr, size_t size, | |
41 | int min_count, unsigned long flags, | |
42 | gfp_t gfp) | |
43 | { | |
44 | if (!(flags & SLAB_NOLEAKTRACE)) | |
45 | kmemleak_alloc(ptr, size, min_count, gfp); | |
46 | } | |
47 | ||
48 | static inline void kmemleak_free_recursive(const void *ptr, unsigned long flags) | |
49 | { | |
50 | if (!(flags & SLAB_NOLEAKTRACE)) | |
51 | kmemleak_free(ptr); | |
52 | } | |
53 | ||
54 | static inline void kmemleak_erase(void **ptr) | |
55 | { | |
56 | *ptr = NULL; | |
57 | } | |
58 | ||
59 | #else | |
60 | ||
61 | static inline void kmemleak_init(void) | |
62 | { | |
63 | } | |
64 | static inline void kmemleak_alloc(const void *ptr, size_t size, int min_count, | |
65 | gfp_t gfp) | |
66 | { | |
67 | } | |
68 | static inline void kmemleak_alloc_recursive(const void *ptr, size_t size, | |
69 | int min_count, unsigned long flags, | |
70 | gfp_t gfp) | |
71 | { | |
72 | } | |
73 | static inline void kmemleak_alloc_percpu(const void __percpu *ptr, size_t size) | |
74 | { | |
75 | } | |
76 | static inline void kmemleak_free(const void *ptr) | |
77 | { | |
78 | } | |
79 | static inline void kmemleak_free_part(const void *ptr, size_t size) | |
80 | { | |
81 | } | |
82 | static inline void kmemleak_free_recursive(const void *ptr, unsigned long flags) | |
83 | { | |
84 | } | |
85 | static inline void kmemleak_free_percpu(const void __percpu *ptr) | |
86 | { | |
87 | } | |
88 | static inline void kmemleak_not_leak(const void *ptr) | |
89 | { | |
90 | } | |
91 | static inline void kmemleak_ignore(const void *ptr) | |
92 | { | |
93 | } | |
94 | static inline void kmemleak_scan_area(const void *ptr, size_t size, gfp_t gfp) | |
95 | { | |
96 | } | |
97 | static inline void kmemleak_erase(void **ptr) | |
98 | { | |
99 | } | |
100 | static inline void kmemleak_no_scan(const void *ptr) | |
101 | { | |
102 | } | |
103 | ||
104 | #endif /* CONFIG_DEBUG_KMEMLEAK */ | |
105 | ||
106 | #endif /* __KMEMLEAK_H */ |