From: Fan Du <fan.du@windriver.com>
Date: Wed, 3 Jul 2013 22:05:19 +0000 (-0700)
Subject: lib/percpu_counter.c: __this_cpu_write() doesn't need to be protected by spinlock
X-Git-Tag: omap-for-v3.11/fixes-for-merge-window~17^2~238
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=64df3071a97f20767f63b88c573791691a855b5c;p=pandora-kernel.git

lib/percpu_counter.c: __this_cpu_write() doesn't need to be protected by spinlock

__this_cpu_write doesn't need to be protected by spinlock, AS we are doing
per cpu write with preempt disabled.  And another reason to remove
__this_cpu_write outside of spinlock: __percpu_counter_sum is not an
accurate counter.

Signed-off-by: Fan Du <fan.du@windriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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