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@xxxxxxxxxxx>
---
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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