linux-kernel - [PATCH] sched: fix defined-but-unused warning

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Message-ID: <20080511002532.GA29515@debian>
Date:	Sun, 11 May 2008 05:55:33 +0530
From:	Rabin Vincent <rabin@....in>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] sched: fix defined-but-unused warning

Fix this warning, which appears with !CONFIG_SMP:
kernel/sched.c:1216: warning: `init_hrtick' defined but not used

Signed-off-by: Rabin Vincent <rabin@....in>
---
 kernel/sched.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/kernel/sched.c b/kernel/sched.c
index 58fb8af..5aa8c5d 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -1161,6 +1161,7 @@ static enum hrtimer_restart hrtick(struct hrtimer *timer)
 	return HRTIMER_NORESTART;
 }
 
+#ifdef CONFIG_SMP
 static void hotplug_hrtick_disable(int cpu)
 {
 	struct rq *rq = cpu_rq(cpu);
@@ -1216,6 +1217,7 @@ static void init_hrtick(void)
 {
 	hotcpu_notifier(hotplug_hrtick, 0);
 }
+#endif /* CONFIG_SMP */
 
 static void init_rq_hrtick(struct rq *rq)
 {
-- 
1.5.5.1

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