From: Kirill A. Shutemov <kirill@shutemov.name>
Date: Thu, 12 Apr 2012 19:49:11 +0000 (-0700)
Subject: memcg: fix broken boolen expression
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=d833049bd20570cbbadeb5228c579f9f3aaa4e03;p=openwrt%2Fstaging%2Fblogic.git

memcg: fix broken boolen expression

action != CPU_DEAD || action != CPU_DEAD_FROZEN is always true.

Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 7d698df4a067..ea1e879b2db6 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -2165,7 +2165,7 @@ static int __cpuinit memcg_cpu_hotplug_callback(struct notifier_block *nb,
 	if (action == CPU_ONLINE)
 		return NOTIFY_OK;
 
-	if ((action != CPU_DEAD) || action != CPU_DEAD_FROZEN)
+	if (action != CPU_DEAD && action != CPU_DEAD_FROZEN)
 		return NOTIFY_OK;
 
 	for_each_mem_cgroup(iter)