Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
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#include <linux/slab.h>
25
26#ifdef CONFIG_DEBUG_KMEMLEAK
27
28extern void kmemleak_init(void) __ref;
29extern void kmemleak_alloc(const void *ptr, size_t size, int min_count,
30 gfp_t gfp) __ref;
31extern void kmemleak_alloc_percpu(const void __percpu *ptr, size_t size) __ref;
32extern void kmemleak_free(const void *ptr) __ref;
33extern void kmemleak_free_part(const void *ptr, size_t size) __ref;
34extern void kmemleak_free_percpu(const void __percpu *ptr) __ref;
35extern void kmemleak_update_trace(const void *ptr) __ref;
36extern void kmemleak_not_leak(const void *ptr) __ref;
37extern void kmemleak_ignore(const void *ptr) __ref;
38extern void kmemleak_scan_area(const void *ptr, size_t size, gfp_t gfp) __ref;
39extern void kmemleak_no_scan(const void *ptr) __ref;
40
41static inline void kmemleak_alloc_recursive(const void *ptr, size_t size,
42 int min_count, unsigned long flags,
43 gfp_t gfp)
44{
45 if (!(flags & SLAB_NOLEAKTRACE))
46 kmemleak_alloc(ptr, size, min_count, gfp);
47}
48
49static inline void kmemleak_free_recursive(const void *ptr, unsigned long flags)
50{
51 if (!(flags & SLAB_NOLEAKTRACE))
52 kmemleak_free(ptr);
53}
54
55static inline void kmemleak_erase(void **ptr)
56{
57 *ptr = NULL;
58}
59
60#else
61
62static inline void kmemleak_init(void)
63{
64}
65static inline void kmemleak_alloc(const void *ptr, size_t size, int min_count,
66 gfp_t gfp)
67{
68}
69static inline void kmemleak_alloc_recursive(const void *ptr, size_t size,
70 int min_count, unsigned long flags,
71 gfp_t gfp)
72{
73}
74static inline void kmemleak_alloc_percpu(const void __percpu *ptr, size_t size)
75{
76}
77static inline void kmemleak_free(const void *ptr)
78{
79}
80static inline void kmemleak_free_part(const void *ptr, size_t size)
81{
82}
83static inline void kmemleak_free_recursive(const void *ptr, unsigned long flags)
84{
85}
86static inline void kmemleak_free_percpu(const void __percpu *ptr)
87{
88}
89static inline void kmemleak_update_trace(const void *ptr)
90{
91}
92static inline void kmemleak_not_leak(const void *ptr)
93{
94}
95static inline void kmemleak_ignore(const void *ptr)
96{
97}
98static inline void kmemleak_scan_area(const void *ptr, size_t size, gfp_t gfp)
99{
100}
101static inline void kmemleak_erase(void **ptr)
102{
103}
104static inline void kmemleak_no_scan(const void *ptr)
105{
106}
107
108#endif /* CONFIG_DEBUG_KMEMLEAK */
109
110#endif /* __KMEMLEAK_H */