diff options
Diffstat (limited to 'include/linux/kmemleak.h')
-rw-r--r-- | include/linux/kmemleak.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/include/linux/kmemleak.h b/include/linux/kmemleak.h new file mode 100644 index 000000000..6a3cd1bf4 --- /dev/null +++ b/include/linux/kmemleak.h @@ -0,0 +1,121 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * include/linux/kmemleak.h + * + * Copyright (C) 2008 ARM Limited + * Written by Catalin Marinas <catalin.marinas@arm.com> + */ + +#ifndef __KMEMLEAK_H +#define __KMEMLEAK_H + +#include <linux/slab.h> +#include <linux/vmalloc.h> + +#ifdef CONFIG_DEBUG_KMEMLEAK + +extern void kmemleak_init(void) __init; +extern void kmemleak_alloc(const void *ptr, size_t size, int min_count, + gfp_t gfp) __ref; +extern void kmemleak_alloc_percpu(const void __percpu *ptr, size_t size, + gfp_t gfp) __ref; +extern void kmemleak_vmalloc(const struct vm_struct *area, size_t size, + gfp_t gfp) __ref; +extern void kmemleak_free(const void *ptr) __ref; +extern void kmemleak_free_part(const void *ptr, size_t size) __ref; +extern void kmemleak_free_percpu(const void __percpu *ptr) __ref; +extern void kmemleak_update_trace(const void *ptr) __ref; +extern void kmemleak_not_leak(const void *ptr) __ref; +extern void kmemleak_ignore(const void *ptr) __ref; +extern void kmemleak_scan_area(const void *ptr, size_t size, gfp_t gfp) __ref; +extern void kmemleak_no_scan(const void *ptr) __ref; +extern void kmemleak_alloc_phys(phys_addr_t phys, size_t size, + gfp_t gfp) __ref; +extern void kmemleak_free_part_phys(phys_addr_t phys, size_t size) __ref; +extern void kmemleak_ignore_phys(phys_addr_t phys) __ref; + +static inline void kmemleak_alloc_recursive(const void *ptr, size_t size, + int min_count, slab_flags_t flags, + gfp_t gfp) +{ + if (!(flags & SLAB_NOLEAKTRACE)) + kmemleak_alloc(ptr, size, min_count, gfp); +} + +static inline void kmemleak_free_recursive(const void *ptr, slab_flags_t flags) +{ + if (!(flags & SLAB_NOLEAKTRACE)) + kmemleak_free(ptr); +} + +static inline void kmemleak_erase(void **ptr) +{ + *ptr = NULL; +} + +#else + +static inline void kmemleak_init(void) +{ +} +static inline void kmemleak_alloc(const void *ptr, size_t size, int min_count, + gfp_t gfp) +{ +} +static inline void kmemleak_alloc_recursive(const void *ptr, size_t size, + int min_count, slab_flags_t flags, + gfp_t gfp) +{ +} +static inline void kmemleak_alloc_percpu(const void __percpu *ptr, size_t size, + gfp_t gfp) +{ +} +static inline void kmemleak_vmalloc(const struct vm_struct *area, size_t size, + gfp_t gfp) +{ +} +static inline void kmemleak_free(const void *ptr) +{ +} +static inline void kmemleak_free_part(const void *ptr, size_t size) +{ +} +static inline void kmemleak_free_recursive(const void *ptr, slab_flags_t flags) +{ +} +static inline void kmemleak_free_percpu(const void __percpu *ptr) +{ +} +static inline void kmemleak_update_trace(const void *ptr) +{ +} +static inline void kmemleak_not_leak(const void *ptr) +{ +} +static inline void kmemleak_ignore(const void *ptr) +{ +} +static inline void kmemleak_scan_area(const void *ptr, size_t size, gfp_t gfp) +{ +} +static inline void kmemleak_erase(void **ptr) +{ +} +static inline void kmemleak_no_scan(const void *ptr) +{ +} +static inline void kmemleak_alloc_phys(phys_addr_t phys, size_t size, + gfp_t gfp) +{ +} +static inline void kmemleak_free_part_phys(phys_addr_t phys, size_t size) +{ +} +static inline void kmemleak_ignore_phys(phys_addr_t phys) +{ +} + +#endif /* CONFIG_DEBUG_KMEMLEAK */ + +#endif /* __KMEMLEAK_H */ |