linux-kernel - [PATCH 2/2] memcg: mark rcu protected member as _

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Date:	Tue,  3 Jan 2012 18:33:52 -0500
From:	kosaki.motohiro@...il.com
To:	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Cc:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Michal Hocko <mhocko@...e.cz>, cgroups@...r.kernel.org
Subject: [PATCH 2/2] memcg: mark rcu protected member as __rcu

From: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>

Currently "make C=2 mm/memcontrol.o" makes following warnings. fix it.

mm/memcontrol.c:4243:21: error: incompatible types in comparison expression (different address spaces)
mm/memcontrol.c:4245:21: error: incompatible types in comparison expression (different address spaces)

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc: Johannes Weiner <hannes@...xchg.org>
Cc: Michal Hocko <mhocko@...e.cz>
Cc: cgroups@...r.kernel.org
---
 mm/memcontrol.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 6adeeec..138be2b 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -195,7 +195,7 @@ struct mem_cgroup_threshold_ary {
 
 struct mem_cgroup_thresholds {
 	/* Primary thresholds array */
-	struct mem_cgroup_threshold_ary *primary;
+	struct mem_cgroup_threshold_ary __rcu *primary;
 	/*
 	 * Spare threshold array.
 	 * This is needed to make mem_cgroup_unregister_event() "never fail".
-- 
1.7.1

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