+ percpu-fix-a-memory-leak-in-pcpu_extend_area_map.patch added to -mm tree

[akpm@linux-foundation.org]

The patch titled
     percpu: fix a memory leak in pcpu_extend_area_map()
has been added to the -mm tree.  Its filename is
     percpu-fix-a-memory-leak-in-pcpu_extend_area_map.patch

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------------------------------------------------------
Subject: percpu: fix a memory leak in pcpu_extend_area_map()
From: Huang Shijie <shijie8@gmail.com>

The original code did not free the old map.  This patch fixes it.

[tj@kernel.org: use @old as memcpy source instead of @chunk->map, and indentation and description update]
Signed-off-by: Huang Shijie <shijie8@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/percpu.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff -puN mm/percpu.c~percpu-fix-a-memory-leak-in-pcpu_extend_area_map mm/percpu.c
--- a/mm/percpu.c~percpu-fix-a-memory-leak-in-pcpu_extend_area_map
+++ a/mm/percpu.c
@@ -393,7 +393,9 @@ static int pcpu_extend_area_map(struct p
 		goto out_unlock;
 
 	old_size = chunk->map_alloc * sizeof(chunk->map[0]);
-	memcpy(new, chunk->map, old_size);
+	old = chunk->map;
+
+	memcpy(new, old, old_size);
 
 	chunk->map_alloc = new_alloc;
 	chunk->map = new;
_

Patches currently in -mm which might be from shijie8@gmail.com are

percpu-fix-a-memory-leak-in-pcpu_extend_area_map.patch
kernel-resourcec-handle-reinsertion-of-an-already-inserted-resource.patch