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linux-next/include/linux/kmemleak.h
Catalin Marinas a6186d89c9 kmemleak: Mark the early log buffer as __initdata
This buffer isn't needed after kmemleak was initialised so it can be
freed together with the .init.data section. This patch also marks
functions conditionally accessing the early log variables with __ref.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2009-08-27 14:29:16 +01:00

101 lines
2.7 KiB
C

/*
* 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
#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_free(const void *ptr) __ref;
extern void kmemleak_free_part(const void *ptr, size_t size) __ref;
extern void kmemleak_padding(const void *ptr, unsigned long offset,
size_t size) __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, unsigned long offset,
size_t length, 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_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_not_leak(const void *ptr)
{
}
static inline void kmemleak_ignore(const void *ptr)
{
}
static inline void kmemleak_scan_area(const void *ptr, unsigned long offset,
size_t length, 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 */