From: Glauber Costa <glommer@parallels.com>
Date: Tue, 1 Nov 2011 00:12:34 +0000 (-0700)
Subject: lib/percpu_counter.c: enclose hotplug only variables in hotplug ifdef
X-Git-Tag: firefly_0821_release~3680^2~4252^2~11
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3a8495c739c1c773181a246dbb7c12b5b67a8325;p=firefly-linux-kernel-4.4.55.git

lib/percpu_counter.c: enclose hotplug only variables in hotplug ifdef

These variables are only used when CONFIG_HOTPLUG_CPU is enabled, they are
ifdef'ed everywhere else.  So don't define them when CONFIG_HOTPLUG_CPU is
not enabled.

Signed-off-by: Glauber Costa <glommer@parallels.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/lib/percpu_counter.c b/lib/percpu_counter.c
index f087105ed914..f8a3f1a829b8 100644
--- a/lib/percpu_counter.c
+++ b/lib/percpu_counter.c
@@ -10,8 +10,10 @@
 #include <linux/module.h>
 #include <linux/debugobjects.h>
 
+#ifdef CONFIG_HOTPLUG_CPU
 static LIST_HEAD(percpu_counters);
 static DEFINE_MUTEX(percpu_counters_lock);
+#endif
 
 #ifdef CONFIG_DEBUG_OBJECTS_PERCPU_COUNTER