[-v8a,3/7] sched: use a buddy to implement yield_task_fair

Commit Message

Peter Zijlstra Feb. 3, 2011, 12:58 p.m. UTC

None

Patch

Index: linux-2.6/kernel/sched_fair.c
===================================================================
--- linux-2.6.orig/kernel/sched_fair.c
+++ linux-2.6/kernel/sched_fair.c
@@ -431,6 +431,7 @@  static struct sched_entity *__pick_next_
 	return rb_entry(next, struct sched_entity, run_node);
 }
 
+#ifdef CONFIG_SCHED_DEBUG
 static struct sched_entity *__pick_last_entity(struct cfs_rq *cfs_rq)
 {
 	struct rb_node *last = rb_last(&cfs_rq->tasks_timeline);
@@ -445,7 +446,6 @@  static struct sched_entity *__pick_last_
  * Scheduling class statistics methods:
  */
 
-#ifdef CONFIG_SCHED_DEBUG
 int sched_proc_update_handler(struct ctl_table *table, int write,
 		void __user *buffer, size_t *lenp,
 		loff_t *ppos)