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9#ifndef __KMEMLEAK_H
10#define __KMEMLEAK_H
11
12#include <linux/slab.h>
13#include <linux/vmalloc.h>
14
15#ifdef CONFIG_DEBUG_KMEMLEAK
16
17extern void kmemleak_init(void) __init;
18extern void kmemleak_alloc(const void *ptr, size_t size, int min_count,
19 gfp_t gfp) __ref;
20extern void kmemleak_alloc_percpu(const void __percpu *ptr, size_t size,
21 gfp_t gfp) __ref;
22extern void kmemleak_vmalloc(const struct vm_struct *area, size_t size,
23 gfp_t gfp) __ref;
24extern void kmemleak_free(const void *ptr) __ref;
25extern void kmemleak_free_part(const void *ptr, size_t size) __ref;
26extern void kmemleak_free_percpu(const void __percpu *ptr) __ref;
27extern void kmemleak_update_trace(const void *ptr) __ref;
28extern void kmemleak_not_leak(const void *ptr) __ref;
29extern void kmemleak_ignore(const void *ptr) __ref;
30extern void kmemleak_scan_area(const void *ptr, size_t size, gfp_t gfp) __ref;
31extern void kmemleak_no_scan(const void *ptr) __ref;
32extern void kmemleak_alloc_phys(phys_addr_t phys, size_t size, int min_count,
33 gfp_t gfp) __ref;
34extern void kmemleak_free_part_phys(phys_addr_t phys, size_t size) __ref;
35extern void kmemleak_not_leak_phys(phys_addr_t phys) __ref;
36extern void kmemleak_ignore_phys(phys_addr_t phys) __ref;
37
38static inline void kmemleak_alloc_recursive(const void *ptr, size_t size,
39 int min_count, slab_flags_t flags,
40 gfp_t gfp)
41{
42 if (!(flags & SLAB_NOLEAKTRACE))
43 kmemleak_alloc(ptr, size, min_count, gfp);
44}
45
46static inline void kmemleak_free_recursive(const void *ptr, slab_flags_t flags)
47{
48 if (!(flags & SLAB_NOLEAKTRACE))
49 kmemleak_free(ptr);
50}
51
52static inline void kmemleak_erase(void **ptr)
53{
54 *ptr = NULL;
55}
56
57#else
58
59static inline void kmemleak_init(void)
60{
61}
62static inline void kmemleak_alloc(const void *ptr, size_t size, int min_count,
63 gfp_t gfp)
64{
65}
66static inline void kmemleak_alloc_recursive(const void *ptr, size_t size,
67 int min_count, slab_flags_t flags,
68 gfp_t gfp)
69{
70}
71static inline void kmemleak_alloc_percpu(const void __percpu *ptr, size_t size,
72 gfp_t gfp)
73{
74}
75static inline void kmemleak_vmalloc(const struct vm_struct *area, size_t size,
76 gfp_t gfp)
77{
78}
79static inline void kmemleak_free(const void *ptr)
80{
81}
82static inline void kmemleak_free_part(const void *ptr, size_t size)
83{
84}
85static inline void kmemleak_free_recursive(const void *ptr, slab_flags_t flags)
86{
87}
88static inline void kmemleak_free_percpu(const void __percpu *ptr)
89{
90}
91static inline void kmemleak_update_trace(const void *ptr)
92{
93}
94static inline void kmemleak_not_leak(const void *ptr)
95{
96}
97static inline void kmemleak_ignore(const void *ptr)
98{
99}
100static inline void kmemleak_scan_area(const void *ptr, size_t size, gfp_t gfp)
101{
102}
103static inline void kmemleak_erase(void **ptr)
104{
105}
106static inline void kmemleak_no_scan(const void *ptr)
107{
108}
109static inline void kmemleak_alloc_phys(phys_addr_t phys, size_t size,
110 int min_count, gfp_t gfp)
111{
112}
113static inline void kmemleak_free_part_phys(phys_addr_t phys, size_t size)
114{
115}
116static inline void kmemleak_not_leak_phys(phys_addr_t phys)
117{
118}
119static inline void kmemleak_ignore_phys(phys_addr_t phys)
120{
121}
122
123#endif
124
125#endif
126