[PATCH] memcg: fix compile warning on non-numa systems

From: Li Zefan
Date: Mon Jan 16 2012 - 01:02:51 EST


Fix this warning:

CC mm/memcontrol.o
mm/memcontrol.c: In function 'memcg_check_events':
mm/memcontrol.c:779:22: warning: unused variable 'do_numainfo'

Signed-off-by: Li Zefan <lizf@xxxxxxxxxxxxxx>
---
mm/memcontrol.c | 10 ++++++----
1 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 602207b..c8aeab8 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -776,14 +776,16 @@ 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;
-
- do_softlimit = mem_cgroup_event_ratelimit(memcg,
- MEM_CGROUP_TARGET_SOFTLIMIT);
+ bool do_softlimit;
#if MAX_NUMNODES > 1
+ bool do_numainfo;
+
do_numainfo = mem_cgroup_event_ratelimit(memcg,
MEM_CGROUP_TARGET_NUMAINFO);
#endif
+
+ do_softlimit = mem_cgroup_event_ratelimit(memcg,
+ MEM_CGROUP_TARGET_SOFTLIMIT);
preempt_enable();

mem_cgroup_threshold(memcg);
--
1.7.3.1
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