From: Geunsik Lim <geunsik.lim@gmail.com>
To: Johannes Weiner <hannes@cmpxchg.org>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>,
linux-mm <linux-mm@kvack.org>
Subject: [PATCH] Handling of unused variable 'do-numainfo on compilation time
Date: Fri, 3 Feb 2012 17:43:47 +0900 [thread overview]
Message-ID: <1328258627-2241-1-git-send-email-geunsik.lim@gmail.com> (raw)
Actually, Usage of the variable 'do_numainfo'is not suitable for gcc compiler.
Declare the variable 'do_numainfo' if the number of NUMA nodes > 1.
Signed-off-by: Geunsik Lim <geunsik.lim@samsung.com>
---
mm/memcontrol.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 556859f..4e17ac5 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -776,7 +776,10 @@ static void memcg_check_events(struct mem_cgroup *memcg, struct page *page)
/* threshold event is triggered in finer grain than soft limit */
if (unlikely(mem_cgroup_event_ratelimit(memcg,
MEM_CGROUP_TARGET_THRESH))) {
- bool do_softlimit, do_numainfo;
+ bool do_softlimit;
+#if MAX_NUMNODES > 1
+ bool do_numainfo;
+#endif
do_softlimit = mem_cgroup_event_ratelimit(memcg,
MEM_CGROUP_TARGET_SOFTLIMIT);
--
1.7.8.1
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next reply other threads:[~2012-02-03 8:43 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-03 8:43 Geunsik Lim [this message]
2012-02-03 13:39 ` [PATCH] Handling of unused variable 'do-numainfo on compilation time Johannes Weiner
2012-02-03 14:53 ` Michal Hocko
2012-02-03 15:36 ` Geunsik Lim
2012-02-03 16:04 ` Michal Hocko
2012-02-03 16:06 ` Johannes Weiner
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