Blame sched-15-update-rq-clock-for-nohz-balanced-cpus.patch
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Chuck Ebbert |
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From: Suresh Siddha <suresh.b.siddha@intel.com>
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Chuck Ebbert |
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Date: Fri, 9 Jul 2010 13:19:54 +0000 (+0200)
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Subject: sched: Update rq->clock for nohz balanced cpus
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X-Git-Tag: v2.6.36-rc1~531^2~5
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X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%2Flinux-2.6.git;a=commitdiff_plain;h=5343bdb8fd076f16edc9d113a9e35e2a1d1f4966
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sched: Update rq->clock for nohz balanced cpus
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Suresh spotted that we don't update the rq->clock in the nohz
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load-balancer path.
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Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
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LKML-Reference: <1278626014.2834.74.camel@sbs-t61.sc.intel.com>
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Signed-off-by: Ingo Molnar <mingo@elte.hu>
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---
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diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
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index b4da534..e44a591 100644
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--- a/kernel/sched_fair.c
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+++ b/kernel/sched_fair.c
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@@ -3596,6 +3596,7 @@ static void nohz_idle_balance(int this_cpu, enum cpu_idle_type idle)
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}
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raw_spin_lock_irq(&this_rq->lock);
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+ update_rq_clock(this_rq);
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update_cpu_load(this_rq);
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raw_spin_unlock_irq(&this_rq->lock);
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