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