mm, slob: Add support for kmalloc_track_caller()
Currently slob falls back to regular kmalloc for this case.
With this patch kmalloc_track_caller() is correctly implemented,
thus tracing the specified caller.
This is important to trace accurately allocations performed by
krealloc, kstrdup, kmemdup, etc.
Signed-off-by: Ezequiel Garcia <elezegarcia@gmail.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
diff --git a/include/linux/slab.h b/include/linux/slab.h
index 0dd2dfa..83d1a14 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -321,7 +321,8 @@
* request comes from.
*/
#if defined(CONFIG_DEBUG_SLAB) || defined(CONFIG_SLUB) || \
- (defined(CONFIG_SLAB) && defined(CONFIG_TRACING))
+ (defined(CONFIG_SLAB) && defined(CONFIG_TRACING)) || \
+ (defined(CONFIG_SLOB) && defined(CONFIG_TRACING))
extern void *__kmalloc_track_caller(size_t, gfp_t, unsigned long);
#define kmalloc_track_caller(size, flags) \
__kmalloc_track_caller(size, flags, _RET_IP_)
@@ -340,7 +341,8 @@
* allocation request comes from.
*/
#if defined(CONFIG_DEBUG_SLAB) || defined(CONFIG_SLUB) || \
- (defined(CONFIG_SLAB) && defined(CONFIG_TRACING))
+ (defined(CONFIG_SLAB) && defined(CONFIG_TRACING)) || \
+ (defined(CONFIG_SLOB) && defined(CONFIG_TRACING))
extern void *__kmalloc_node_track_caller(size_t, gfp_t, int, unsigned long);
#define kmalloc_node_track_caller(size, flags, node) \
__kmalloc_node_track_caller(size, flags, node, \