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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 AM |
24 | #include <linux/slab.h> |
25 | ||
3c7b4e6b CM |
26 | #ifdef CONFIG_DEBUG_KMEMLEAK |
27 | ||
98e89cf0 | 28 | extern void kmemleak_init(void) __init; |
3c7b4e6b | 29 | extern void kmemleak_alloc(const void *ptr, size_t size, int min_count, |
a6186d89 | 30 | gfp_t gfp) __ref; |
8a8c35fa LF |
31 | extern void kmemleak_alloc_percpu(const void __percpu *ptr, size_t size, |
32 | gfp_t gfp) __ref; | |
a6186d89 CM |
33 | extern void kmemleak_free(const void *ptr) __ref; |
34 | extern void kmemleak_free_part(const void *ptr, size_t size) __ref; | |
f528f0b8 | 35 | extern void kmemleak_free_percpu(const void __percpu *ptr) __ref; |
ffe2c748 | 36 | extern void kmemleak_update_trace(const void *ptr) __ref; |
a6186d89 CM |
37 | extern void kmemleak_not_leak(const void *ptr) __ref; |
38 | extern void kmemleak_ignore(const void *ptr) __ref; | |
c017b4be | 39 | extern void kmemleak_scan_area(const void *ptr, size_t size, gfp_t gfp) __ref; |
a6186d89 | 40 | extern void kmemleak_no_scan(const void *ptr) __ref; |
9099daed CM |
41 | extern void kmemleak_alloc_phys(phys_addr_t phys, size_t size, int min_count, |
42 | gfp_t gfp) __ref; | |
43 | extern void kmemleak_free_part_phys(phys_addr_t phys, size_t size) __ref; | |
44 | extern void kmemleak_not_leak_phys(phys_addr_t phys) __ref; | |
45 | extern void kmemleak_ignore_phys(phys_addr_t phys) __ref; | |
3c7b4e6b CM |
46 | |
47 | static inline void kmemleak_alloc_recursive(const void *ptr, size_t size, | |
48 | int min_count, unsigned long flags, | |
49 | gfp_t gfp) | |
50 | { | |
51 | if (!(flags & SLAB_NOLEAKTRACE)) | |
52 | kmemleak_alloc(ptr, size, min_count, gfp); | |
53 | } | |
54 | ||
55 | static inline void kmemleak_free_recursive(const void *ptr, unsigned long flags) | |
56 | { | |
57 | if (!(flags & SLAB_NOLEAKTRACE)) | |
58 | kmemleak_free(ptr); | |
59 | } | |
60 | ||
61 | static inline void kmemleak_erase(void **ptr) | |
62 | { | |
63 | *ptr = NULL; | |
64 | } | |
65 | ||
66 | #else | |
67 | ||
68 | static inline void kmemleak_init(void) | |
69 | { | |
70 | } | |
71 | static inline void kmemleak_alloc(const void *ptr, size_t size, int min_count, | |
72 | gfp_t gfp) | |
73 | { | |
74 | } | |
75 | static inline void kmemleak_alloc_recursive(const void *ptr, size_t size, | |
76 | int min_count, unsigned long flags, | |
77 | gfp_t gfp) | |
78 | { | |
79 | } | |
8a8c35fa LF |
80 | static inline void kmemleak_alloc_percpu(const void __percpu *ptr, size_t size, |
81 | gfp_t gfp) | |
f528f0b8 CM |
82 | { |
83 | } | |
3c7b4e6b CM |
84 | static inline void kmemleak_free(const void *ptr) |
85 | { | |
86 | } | |
53238a60 CM |
87 | static inline void kmemleak_free_part(const void *ptr, size_t size) |
88 | { | |
89 | } | |
3c7b4e6b CM |
90 | static inline void kmemleak_free_recursive(const void *ptr, unsigned long flags) |
91 | { | |
92 | } | |
f528f0b8 CM |
93 | static inline void kmemleak_free_percpu(const void __percpu *ptr) |
94 | { | |
95 | } | |
ffe2c748 CM |
96 | static inline void kmemleak_update_trace(const void *ptr) |
97 | { | |
98 | } | |
3c7b4e6b CM |
99 | static inline void kmemleak_not_leak(const void *ptr) |
100 | { | |
101 | } | |
102 | static inline void kmemleak_ignore(const void *ptr) | |
103 | { | |
104 | } | |
c017b4be | 105 | static inline void kmemleak_scan_area(const void *ptr, size_t size, gfp_t gfp) |
3c7b4e6b CM |
106 | { |
107 | } | |
108 | static inline void kmemleak_erase(void **ptr) | |
109 | { | |
110 | } | |
111 | static inline void kmemleak_no_scan(const void *ptr) | |
112 | { | |
113 | } | |
9099daed CM |
114 | static inline void kmemleak_alloc_phys(phys_addr_t phys, size_t size, |
115 | int min_count, gfp_t gfp) | |
116 | { | |
117 | } | |
118 | static inline void kmemleak_free_part_phys(phys_addr_t phys, size_t size) | |
119 | { | |
120 | } | |
121 | static inline void kmemleak_not_leak_phys(phys_addr_t phys) | |
122 | { | |
123 | } | |
124 | static inline void kmemleak_ignore_phys(phys_addr_t phys) | |
125 | { | |
126 | } | |
3c7b4e6b CM |
127 | |
128 | #endif /* CONFIG_DEBUG_KMEMLEAK */ | |
129 | ||
130 | #endif /* __KMEMLEAK_H */ |