[2.6.16-mm2 patch] don't awaken RT tasks on expired array

[Mike Galbraith]

RT tasks are being awakened on the expired array when expired_starving()
is true, whereas they really should be excluded.  Fix below.

	
Signed-off-by: Mike Galbraith <efault@xxxxxx>

--- linux-2.6.16-mm2/kernel/sched.c.org	2006-03-31 09:56:37.000000000 +0200
+++ linux-2.6.16-mm2/kernel/sched.c	2006-03-31 10:01:54.000000000 +0200
@@ -820,7 +820,7 @@
 {
 	prio_array_t *target = rq->active;
 
-	if (unlikely(batch_task(p) || expired_starving(rq)))
+	if (unlikely(batch_task(p) || (expired_starving(rq) && !rt_task(p))))
 		target = rq->expired;
 	enqueue_task(p, target);
 	inc_nr_running(p, rq);


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