Subject: + lib-update-the-kmemleak-stack-trace-for-radix-tree-allocations.patch added to -mm tree
To: catalin.marinas@xxxxxxx,hannes@xxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Fri, 02 May 2014 15:49:15 -0700
The patch titled
Subject: lib/radix-tree.c: update the kmemleak stack trace for radix tree allocations
has been added to the -mm tree. Its filename is
lib-update-the-kmemleak-stack-trace-for-radix-tree-allocations.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/lib-update-the-kmemleak-stack-trace-for-radix-tree-allocations.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/lib-update-the-kmemleak-stack-trace-for-radix-tree-allocations.patch
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------------------------------------------------------
From: Catalin Marinas <catalin.marinas@xxxxxxx>
Subject: 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@xxxxxxx>
Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/radix-tree.c | 6 ++++++
1 file changed, 6 insertions(+)
diff -puN lib/radix-tree.c~lib-update-the-kmemleak-stack-trace-for-radix-tree-allocations lib/radix-tree.c
--- a/lib/radix-tree.c~lib-update-the-kmemleak-stack-trace-for-radix-tree-allocations
+++ a/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_
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);
_
Patches currently in -mm which might be from catalin.marinas@xxxxxxx are
origin.patch
mm-kmemleakc-use-%u-to-print-checksum.patch
mm-introduce-kmemleak_update_trace.patch
lib-update-the-kmemleak-stack-trace-for-radix-tree-allocations.patch
mm-update-the-kmemleak-stack-trace-for-mempool-allocations.patch
mm-call-kmemleak-directly-from-memblock_allocfree.patch
mm-postpone-the-disabling-of-kmemleak-early-logging.patch
documentation-devicetree-bindings-add-documentation-for-the-apm-x-gene-soc-rtc-dts-binding.patch
drivers-rtc-add-apm-x-gene-soc-rtc-driver.patch
arm64-add-apm-x-gene-soc-rtc-dts-entry.patch
linux-next.patch
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