sched: make global code static

This patch makes the following needlessly global code static:

- arch_reinit_sched_domains()
- struct attr_sched_mc_power_savings
- struct attr_sched_smt_power_savings
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

include/linux/cpu.h

@@ -41,8 +41,6 @@ extern void cpu_remove_sysdev_attr(struct sysdev_attribute *attr);
 extern int cpu_add_sysdev_attr_group(struct attribute_group *attrs);
 extern void cpu_remove_sysdev_attr_group(struct attribute_group *attrs);
 
-extern struct sysdev_attribute attr_sched_mc_power_savings;
-extern struct sysdev_attribute attr_sched_smt_power_savings;
 extern int sched_create_sysfs_power_savings_entries(struct sysdev_class *cls);
 
 #ifdef CONFIG_HOTPLUG_CPU

kernel/sched.c

@@ -6328,7 +6328,7 @@ int partition_sched_domains(cpumask_t *partition1, cpumask_t *partition2)
 }
 
 #if defined(CONFIG_SCHED_MC) || defined(CONFIG_SCHED_SMT)
-int arch_reinit_sched_domains(void)
+static int arch_reinit_sched_domains(void)
 {
 	int err;
 
@@ -6357,24 +6357,6 @@ static ssize_t sched_power_savings_store(const char *buf, size_t count, int smt)
 	return ret ? ret : count;
 }
 
-int sched_create_sysfs_power_savings_entries(struct sysdev_class *cls)
-{
-	int err = 0;
-
-#ifdef CONFIG_SCHED_SMT
-	if (smt_capable())
-		err = sysfs_create_file(&cls->kset.kobj,
-					&attr_sched_smt_power_savings.attr);
-#endif
-#ifdef CONFIG_SCHED_MC
-	if (!err && mc_capable())
-		err = sysfs_create_file(&cls->kset.kobj,
-					&attr_sched_mc_power_savings.attr);
-#endif
-	return err;
-}
-#endif
-
 #ifdef CONFIG_SCHED_MC
 static ssize_t sched_mc_power_savings_show(struct sys_device *dev, char *page)
 {
@@ -6385,7 +6367,7 @@ static ssize_t sched_mc_power_savings_store(struct sys_device *dev,
 {
 	return sched_power_savings_store(buf, count, 0);
 }
-SYSDEV_ATTR(sched_mc_power_savings, 0644, sched_mc_power_savings_show,
+static SYSDEV_ATTR(sched_mc_power_savings, 0644, sched_mc_power_savings_show,
 		   sched_mc_power_savings_store);
 #endif
 
@@ -6399,10 +6381,28 @@ static ssize_t sched_smt_power_savings_store(struct sys_device *dev,
 {
 	return sched_power_savings_store(buf, count, 1);
 }
-SYSDEV_ATTR(sched_smt_power_savings, 0644, sched_smt_power_savings_show,
+static SYSDEV_ATTR(sched_smt_power_savings, 0644, sched_smt_power_savings_show,
 		   sched_smt_power_savings_store);
 #endif
 
+int sched_create_sysfs_power_savings_entries(struct sysdev_class *cls)
+{
+	int err = 0;
+
+#ifdef CONFIG_SCHED_SMT
+	if (smt_capable())
+		err = sysfs_create_file(&cls->kset.kobj,
+					&attr_sched_smt_power_savings.attr);
+#endif
+#ifdef CONFIG_SCHED_MC
+	if (!err && mc_capable())
+		err = sysfs_create_file(&cls->kset.kobj,
+					&attr_sched_mc_power_savings.attr);
+#endif
+	return err;
+}
+#endif
+
 /*
  * Force a reinitialization of the sched domains hierarchy.  The domains
  * and groups cannot be updated in place without racing with the balancing