linux-kernel - [PATCH 2.6.24-rt1] timer:fix build warning in timer.c

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Date:	Thu, 14 Feb 2008 18:02:14 +0800
From:	Shi Weihua <shiwh@...fujitsu.com>
To:	linux-rt-users@...r.kernel.org
CC:	linux-kernel@...r.kernel.org, khilman@...sta.com,
	rostedt@...dmis.org, Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>
Subject: [PATCH 2.6.24-rt1] timer:fix build warning in timer.c

Fix the following compile warning without CONFIG_PREEMPT_RT:
kernel/timer.c:937: warning: ‘count_active_rt_tasks’ defined but not used

Signed-off-by: Shi Weihua <shiwh@...fujitsu.com> 

---
diff -urpN linux-2.6.24-rt1.orig/kernel/timer.c linux-2.6.24-rt1/kernel/timer.c
--- linux-2.6.24-rt1.orig/kernel/timer.c	2008-02-14 17:01:49.000000000 +0800
+++ linux-2.6.24-rt1/kernel/timer.c	2008-02-14 17:31:10.000000000 +0800
@@ -930,20 +930,18 @@ static unsigned long count_active_tasks(
 #endif
 }
 
+#ifdef CONFIG_PREEMPT_RT
 /*
  * Nr of active tasks - counted in fixed-point numbers
  */
 static unsigned long count_active_rt_tasks(void)
 {
-#ifdef CONFIG_PREEMPT_RT
 	extern unsigned long rt_nr_running(void);
 	extern unsigned long rt_nr_uninterruptible(void);
 
 	return (rt_nr_running() + rt_nr_uninterruptible()) * FIXED_1;
-#else
-	return 0;
-#endif
 }
+#endif
 
 /*
  * Hmm.. Changed this, as the GNU make sources (load.c) seems to

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