1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * include/linux/kmemleak.h
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (C) 2008 ARM Limited
6*4882a593Smuzhiyun * Written by Catalin Marinas <catalin.marinas@arm.com>
7*4882a593Smuzhiyun */
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun #ifndef __KMEMLEAK_H
10*4882a593Smuzhiyun #define __KMEMLEAK_H
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun #include <linux/slab.h>
13*4882a593Smuzhiyun #include <linux/vmalloc.h>
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun #ifdef CONFIG_DEBUG_KMEMLEAK
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun extern void kmemleak_init(void) __init;
18*4882a593Smuzhiyun extern void kmemleak_alloc(const void *ptr, size_t size, int min_count,
19*4882a593Smuzhiyun gfp_t gfp) __ref;
20*4882a593Smuzhiyun extern void kmemleak_alloc_percpu(const void __percpu *ptr, size_t size,
21*4882a593Smuzhiyun gfp_t gfp) __ref;
22*4882a593Smuzhiyun extern void kmemleak_vmalloc(const struct vm_struct *area, size_t size,
23*4882a593Smuzhiyun gfp_t gfp) __ref;
24*4882a593Smuzhiyun extern void kmemleak_free(const void *ptr) __ref;
25*4882a593Smuzhiyun extern void kmemleak_free_part(const void *ptr, size_t size) __ref;
26*4882a593Smuzhiyun extern void kmemleak_free_percpu(const void __percpu *ptr) __ref;
27*4882a593Smuzhiyun extern void kmemleak_update_trace(const void *ptr) __ref;
28*4882a593Smuzhiyun extern void kmemleak_not_leak(const void *ptr) __ref;
29*4882a593Smuzhiyun extern void kmemleak_ignore(const void *ptr) __ref;
30*4882a593Smuzhiyun extern void kmemleak_scan_area(const void *ptr, size_t size, gfp_t gfp) __ref;
31*4882a593Smuzhiyun extern void kmemleak_no_scan(const void *ptr) __ref;
32*4882a593Smuzhiyun extern void kmemleak_alloc_phys(phys_addr_t phys, size_t size, int min_count,
33*4882a593Smuzhiyun gfp_t gfp) __ref;
34*4882a593Smuzhiyun extern void kmemleak_free_part_phys(phys_addr_t phys, size_t size) __ref;
35*4882a593Smuzhiyun extern void kmemleak_not_leak_phys(phys_addr_t phys) __ref;
36*4882a593Smuzhiyun extern void kmemleak_ignore_phys(phys_addr_t phys) __ref;
37*4882a593Smuzhiyun
kmemleak_alloc_recursive(const void * ptr,size_t size,int min_count,slab_flags_t flags,gfp_t gfp)38*4882a593Smuzhiyun static inline void kmemleak_alloc_recursive(const void *ptr, size_t size,
39*4882a593Smuzhiyun int min_count, slab_flags_t flags,
40*4882a593Smuzhiyun gfp_t gfp)
41*4882a593Smuzhiyun {
42*4882a593Smuzhiyun if (!(flags & SLAB_NOLEAKTRACE))
43*4882a593Smuzhiyun kmemleak_alloc(ptr, size, min_count, gfp);
44*4882a593Smuzhiyun }
45*4882a593Smuzhiyun
kmemleak_free_recursive(const void * ptr,slab_flags_t flags)46*4882a593Smuzhiyun static inline void kmemleak_free_recursive(const void *ptr, slab_flags_t flags)
47*4882a593Smuzhiyun {
48*4882a593Smuzhiyun if (!(flags & SLAB_NOLEAKTRACE))
49*4882a593Smuzhiyun kmemleak_free(ptr);
50*4882a593Smuzhiyun }
51*4882a593Smuzhiyun
kmemleak_erase(void ** ptr)52*4882a593Smuzhiyun static inline void kmemleak_erase(void **ptr)
53*4882a593Smuzhiyun {
54*4882a593Smuzhiyun *ptr = NULL;
55*4882a593Smuzhiyun }
56*4882a593Smuzhiyun
57*4882a593Smuzhiyun #else
58*4882a593Smuzhiyun
kmemleak_init(void)59*4882a593Smuzhiyun static inline void kmemleak_init(void)
60*4882a593Smuzhiyun {
61*4882a593Smuzhiyun }
kmemleak_alloc(const void * ptr,size_t size,int min_count,gfp_t gfp)62*4882a593Smuzhiyun static inline void kmemleak_alloc(const void *ptr, size_t size, int min_count,
63*4882a593Smuzhiyun gfp_t gfp)
64*4882a593Smuzhiyun {
65*4882a593Smuzhiyun }
kmemleak_alloc_recursive(const void * ptr,size_t size,int min_count,slab_flags_t flags,gfp_t gfp)66*4882a593Smuzhiyun static inline void kmemleak_alloc_recursive(const void *ptr, size_t size,
67*4882a593Smuzhiyun int min_count, slab_flags_t flags,
68*4882a593Smuzhiyun gfp_t gfp)
69*4882a593Smuzhiyun {
70*4882a593Smuzhiyun }
kmemleak_alloc_percpu(const void __percpu * ptr,size_t size,gfp_t gfp)71*4882a593Smuzhiyun static inline void kmemleak_alloc_percpu(const void __percpu *ptr, size_t size,
72*4882a593Smuzhiyun gfp_t gfp)
73*4882a593Smuzhiyun {
74*4882a593Smuzhiyun }
kmemleak_vmalloc(const struct vm_struct * area,size_t size,gfp_t gfp)75*4882a593Smuzhiyun static inline void kmemleak_vmalloc(const struct vm_struct *area, size_t size,
76*4882a593Smuzhiyun gfp_t gfp)
77*4882a593Smuzhiyun {
78*4882a593Smuzhiyun }
kmemleak_free(const void * ptr)79*4882a593Smuzhiyun static inline void kmemleak_free(const void *ptr)
80*4882a593Smuzhiyun {
81*4882a593Smuzhiyun }
kmemleak_free_part(const void * ptr,size_t size)82*4882a593Smuzhiyun static inline void kmemleak_free_part(const void *ptr, size_t size)
83*4882a593Smuzhiyun {
84*4882a593Smuzhiyun }
kmemleak_free_recursive(const void * ptr,slab_flags_t flags)85*4882a593Smuzhiyun static inline void kmemleak_free_recursive(const void *ptr, slab_flags_t flags)
86*4882a593Smuzhiyun {
87*4882a593Smuzhiyun }
kmemleak_free_percpu(const void __percpu * ptr)88*4882a593Smuzhiyun static inline void kmemleak_free_percpu(const void __percpu *ptr)
89*4882a593Smuzhiyun {
90*4882a593Smuzhiyun }
kmemleak_update_trace(const void * ptr)91*4882a593Smuzhiyun static inline void kmemleak_update_trace(const void *ptr)
92*4882a593Smuzhiyun {
93*4882a593Smuzhiyun }
kmemleak_not_leak(const void * ptr)94*4882a593Smuzhiyun static inline void kmemleak_not_leak(const void *ptr)
95*4882a593Smuzhiyun {
96*4882a593Smuzhiyun }
kmemleak_ignore(const void * ptr)97*4882a593Smuzhiyun static inline void kmemleak_ignore(const void *ptr)
98*4882a593Smuzhiyun {
99*4882a593Smuzhiyun }
kmemleak_scan_area(const void * ptr,size_t size,gfp_t gfp)100*4882a593Smuzhiyun static inline void kmemleak_scan_area(const void *ptr, size_t size, gfp_t gfp)
101*4882a593Smuzhiyun {
102*4882a593Smuzhiyun }
kmemleak_erase(void ** ptr)103*4882a593Smuzhiyun static inline void kmemleak_erase(void **ptr)
104*4882a593Smuzhiyun {
105*4882a593Smuzhiyun }
kmemleak_no_scan(const void * ptr)106*4882a593Smuzhiyun static inline void kmemleak_no_scan(const void *ptr)
107*4882a593Smuzhiyun {
108*4882a593Smuzhiyun }
kmemleak_alloc_phys(phys_addr_t phys,size_t size,int min_count,gfp_t gfp)109*4882a593Smuzhiyun static inline void kmemleak_alloc_phys(phys_addr_t phys, size_t size,
110*4882a593Smuzhiyun int min_count, gfp_t gfp)
111*4882a593Smuzhiyun {
112*4882a593Smuzhiyun }
kmemleak_free_part_phys(phys_addr_t phys,size_t size)113*4882a593Smuzhiyun static inline void kmemleak_free_part_phys(phys_addr_t phys, size_t size)
114*4882a593Smuzhiyun {
115*4882a593Smuzhiyun }
kmemleak_not_leak_phys(phys_addr_t phys)116*4882a593Smuzhiyun static inline void kmemleak_not_leak_phys(phys_addr_t phys)
117*4882a593Smuzhiyun {
118*4882a593Smuzhiyun }
kmemleak_ignore_phys(phys_addr_t phys)119*4882a593Smuzhiyun static inline void kmemleak_ignore_phys(phys_addr_t phys)
120*4882a593Smuzhiyun {
121*4882a593Smuzhiyun }
122*4882a593Smuzhiyun
123*4882a593Smuzhiyun #endif /* CONFIG_DEBUG_KMEMLEAK */
124*4882a593Smuzhiyun
125*4882a593Smuzhiyun #endif /* __KMEMLEAK_H */
126