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