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