From a002d148426f40bc2b7dc066982eb177cdebeaaa Mon Sep 17 00:00:00 2001
From: Huang Shijie <shijie8@gmail.com>
Date: Sun, 8 Aug 2010 14:39:07 +0200
Subject: [PATCH] percpu: fix a memory leak in pcpu_extend_area_map()

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

tj: 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
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