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Diffstat (limited to 'include/linux/kmemleak.h')
-rw-r--r-- | include/linux/kmemleak.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/include/linux/kmemleak.h b/include/linux/kmemleak.h new file mode 100644 index 000000000..d0a1f99e2 --- /dev/null +++ b/include/linux/kmemleak.h @@ -0,0 +1,112 @@ +/* + * include/linux/kmemleak.h + * + * Copyright (C) 2008 ARM Limited + * Written by Catalin Marinas <catalin.marinas@arm.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __KMEMLEAK_H +#define __KMEMLEAK_H + +#include <linux/slab.h> + +#ifdef CONFIG_DEBUG_KMEMLEAK + +extern void kmemleak_init(void) __ref; +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_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; + +static inline void kmemleak_alloc_recursive(const void *ptr, size_t size, + int min_count, unsigned long flags, + gfp_t gfp) +{ + if (!(flags & SLAB_NOLEAKTRACE)) + kmemleak_alloc(ptr, size, min_count, gfp); +} + +static inline void kmemleak_free_recursive(const void *ptr, unsigned long 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, unsigned long flags, + gfp_t gfp) +{ +} +static inline void kmemleak_alloc_percpu(const void __percpu *ptr, 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, unsigned long 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) +{ +} + +#endif /* CONFIG_DEBUG_KMEMLEAK */ + +#endif /* __KMEMLEAK_H */ |