sched: Make separate sched*.c translation units

Since once needs to do something at conferences and fixing compile
warnings doesn't actually require much if any attention I decided
to break up the sched.c #include "*.c" fest.

This further modularizes the scheduler code.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-x0fcd3mnp8f9c99grcpewmhi@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>

2 files changed, 11 insertions, 1 deletions

diff --git a/include/linux/latencytop.h b/include/linux/latencytop.h
index b0e99898527c..e23121f9d82a 100644
--- a/include/linux/latencytop.h
+++ b/include/linux/latencytop.h
@@ -10,6 +10,8 @@
 #define _INCLUDE_GUARD_LATENCYTOP_H_
 
 #include <linux/compiler.h>
+struct task_struct;
+
 #ifdef CONFIG_LATENCYTOP
 
 #define LT_SAVECOUNT            32
@@ -23,7 +25,6 @@ struct latency_record {
 };
 
 
-struct task_struct;
 
 extern int latencytop_enabled;
 void __account_scheduler_latency(struct task_struct *task, int usecs, int inter);
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 68daf4f27e2c..8db17b7622ec 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -925,6 +925,15 @@ static inline struct cpumask *sched_group_cpus(struct sched_group *sg)
         return to_cpumask(sg->cpumask);
 }
 
+/**
+ * group_first_cpu - Returns the first cpu in the cpumask of a sched_group.
+ * @group: The group whose first cpu is to be returned.
+ */
+static inline unsigned int group_first_cpu(struct sched_group *group)
+{
+        return cpumask_first(sched_group_cpus(group));
+}
+
 struct sched_domain_attr {
         int relax_domain_level;
 };