[PATCH 5/6] sched: fixup buddy selection

[Peter Zijlstra <a.p.zijlstra@chello.nl>]

[-- Attachment #1: sched-fix-buddy.patch --]
[-- Type: text/plain, Size: 867 bytes --]

We should set the buddy even though we might already have the TIF_RESCHED flag
set.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
---
 kernel/sched_fair.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Index: linux-2.6/kernel/sched_fair.c
===================================================================
--- linux-2.6.orig/kernel/sched_fair.c
+++ linux-2.6/kernel/sched_fair.c
@@ -1350,6 +1350,8 @@ static void check_preempt_wakeup(struct 
 	if (unlikely(se == pse))
 		return;
 
+	cfs_rq_of(pse)->next = pse;
+
 	/*
 	 * We can come here with TIF_NEED_RESCHED already set from new task
 	 * wake up path.
@@ -1357,8 +1359,6 @@ static void check_preempt_wakeup(struct 
 	if (test_tsk_need_resched(curr))
 		return;
 
-	cfs_rq_of(pse)->next = pse;
-
 	/*
 	 * Batch tasks do not preempt (their preemption is driven by
 	 * the tick):

--