X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fsched.c;h=98dcdf272db373c8459a552f1db46687a1600987;hb=c99da91e7a12724127475a85cc7a38214b3504e2;hp=db1f71e3131058bb0d22d8e06945875ff3dd43e0;hpb=ce96b5ac742801718ae86d2adf0500c5abef3782;p=linux-2.6

diff --git a/kernel/sched.c b/kernel/sched.c
index db1f71e313..98dcdf272d 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -455,18 +455,18 @@ static void update_rq_clock(struct rq *rq)
  */
 enum {
 	SCHED_FEAT_NEW_FAIR_SLEEPERS	= 1,
-	SCHED_FEAT_START_DEBIT		= 2,
-	SCHED_FEAT_TREE_AVG             = 4,
-	SCHED_FEAT_APPROX_AVG           = 8,
-	SCHED_FEAT_WAKEUP_PREEMPT	= 16,
+	SCHED_FEAT_WAKEUP_PREEMPT	= 2,
+	SCHED_FEAT_START_DEBIT		= 4,
+	SCHED_FEAT_TREE_AVG             = 8,
+	SCHED_FEAT_APPROX_AVG           = 16,
 };
 
 const_debug unsigned int sysctl_sched_features =
 		SCHED_FEAT_NEW_FAIR_SLEEPERS	* 1 |
+		SCHED_FEAT_WAKEUP_PREEMPT	* 1 |
 		SCHED_FEAT_START_DEBIT		* 1 |
 		SCHED_FEAT_TREE_AVG		* 0 |
-		SCHED_FEAT_APPROX_AVG		* 0 |
-		SCHED_FEAT_WAKEUP_PREEMPT	* 1;
+		SCHED_FEAT_APPROX_AVG		* 0;
 
 #define sched_feat(x) (sysctl_sched_features & SCHED_FEAT_##x)
 
@@ -5281,24 +5281,10 @@ static void migrate_live_tasks(int src_cpu)
 	read_unlock(&tasklist_lock);
 }
 
-/*
- * activate_idle_task - move idle task to the _front_ of runqueue.
- */
-static void activate_idle_task(struct task_struct *p, struct rq *rq)
-{
-	update_rq_clock(rq);
-
-	if (p->state == TASK_UNINTERRUPTIBLE)
-		rq->nr_uninterruptible--;
-
-	enqueue_task(rq, p, 0);
-	inc_nr_running(p, rq);
-}
-
 /*
  * Schedules idle task to be the next runnable task on current CPU.
- * It does so by boosting its priority to highest possible and adding it to
- * the _front_ of the runqueue. Used by CPU offline code.
+ * It does so by boosting its priority to highest possible.
+ * Used by CPU offline code.
  */
 void sched_idle_next(void)
 {
@@ -5318,8 +5304,8 @@ void sched_idle_next(void)
 
 	__setscheduler(rq, p, SCHED_FIFO, MAX_RT_PRIO-1);
 
-	/* Add idle task to the _front_ of its priority queue: */
-	activate_idle_task(p, rq);
+	update_rq_clock(rq);
+	activate_task(rq, p, 0);
 
 	spin_unlock_irqrestore(&rq->lock, flags);
 }
@@ -5480,7 +5466,7 @@ sd_alloc_ctl_domain_table(struct sched_domain *sd)
 	return table;
 }
 
-static ctl_table * sd_alloc_ctl_cpu_table(int cpu)
+static ctl_table *sd_alloc_ctl_cpu_table(int cpu)
 {
 	struct ctl_table *entry, *table;
 	struct sched_domain *sd;
@@ -6722,9 +6708,6 @@ void __init sched_init_smp(void)
 
 int in_sched_functions(unsigned long addr)
 {
-	/* Linker adds these: start and end of __sched functions */
-	extern char __sched_text_start[], __sched_text_end[];
-
 	return in_lock_functions(addr) ||
 		(addr >= (unsigned long)__sched_text_start
 		&& addr < (unsigned long)__sched_text_end);