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| author | Catalin Marinas <catalin.marinas@arm.com> | 2014-06-06 14:38:18 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-06 16:08:17 -0700 |
| commit | ce80b067de8cdb44e161a20fd7b324ad3f557446 (patch) | |
| tree | 8150a48a821f1cceac55e5325e4c085c692098eb | |
| parent | ffe2c748e283c5dc1b9b9ac116299dbfc11a609b (diff) | |
| download | lwn-ce80b067de8cdb44e161a20fd7b324ad3f557446.tar.gz lwn-ce80b067de8cdb44e161a20fd7b324ad3f557446.zip | |
lib/radix-tree.c: update the kmemleak stack trace for radix tree allocations
Since radix_tree_preload() stack trace is not always useful for
debugging an actual radix tree memory leak, this patch updates the
kmemleak allocation stack trace in the radix_tree_node_alloc() function.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | lib/radix-tree.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/radix-tree.c b/lib/radix-tree.c index d64815651e90..3291a8e37490 100644 --- a/lib/radix-tree.c +++ b/lib/radix-tree.c @@ -27,6 +27,7 @@ #include <linux/radix-tree.h> #include <linux/percpu.h> #include <linux/slab.h> +#include <linux/kmemleak.h> #include <linux/notifier.h> #include <linux/cpu.h> #include <linux/string.h> @@ -200,6 +201,11 @@ radix_tree_node_alloc(struct radix_tree_root *root) rtp->nodes[rtp->nr - 1] = NULL; rtp->nr--; } + /* + * Update the allocation stack trace as this is more useful + * for debugging. + */ + kmemleak_update_trace(ret); } if (ret == NULL) ret = kmem_cache_alloc(radix_tree_node_cachep, gfp_mask); |