sched: Update rq->clock for nohz balanced cpus

Suresh spotted that we don't update the rq->clock in the nohz
load-balancer path.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1278626014.2834.74.camel@sbs-t61.sc.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index b4da534..e44a591 100644 (file)
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -3596,6 +3596,7 @@ static void nohz_idle_balance(int this_cpu, enum cpu_idle_type idle)
                }
 
                raw_spin_lock_irq(&this_rq->lock);
+               update_rq_clock(this_rq);
                update_cpu_load(this_rq);
                raw_spin_unlock_irq(&this_rq->lock);