From: Michele Curti <michele.curti@gmail.com>
Date: Sat, 13 Dec 2014 00:56:35 +0000 (-0800)
Subject: mm/memcontrol.c: fix defined but not used compiler warning
X-Git-Tag: firefly_0821_release~176^2~2692^2~48
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ae6e71d3d900c398bdb346ac25733b2efa9b3752;p=firefly-linux-kernel-4.4.55.git

mm/memcontrol.c: fix defined but not used compiler warning

test_mem_cgroup_node_reclaimable() is used only when MAX_NUMNODES > 1, so
move it into the compiler if statement

[akpm@linux-foundation.org: clean up layout]
Signed-off-by: Michele Curti <michele.curti@gmail.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Cc: Johannes Weiner <hannes@cmpxchg.org>
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 998fb1756d43..dac81b975996 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1616,6 +1616,8 @@ static void mem_cgroup_out_of_memory(struct mem_cgroup *memcg, gfp_t gfp_mask,
 			 NULL, "Memory cgroup out of memory");
 }
 
+#if MAX_NUMNODES > 1
+
 /**
  * test_mem_cgroup_node_reclaimable
  * @memcg: the target memcg
@@ -1638,7 +1640,6 @@ static bool test_mem_cgroup_node_reclaimable(struct mem_cgroup *memcg,
 	return false;
 
 }
-#if MAX_NUMNODES > 1
 
 /*
  * Always updating the nodemask is not very good - even if we have an empty