From: Tejun Heo <tj@kernel.org>
To: Zlatko Calusic <zlatko.calusic@iskon.hr>
Cc: linux-kernel@vger.kernel.org
Subject: Re: High context switch rate, ksoftirqd's chewing cpu
Date: Fri, 30 Nov 2012 14:55:45 -0800 [thread overview]
Message-ID: <20121130225545.GC6021@htj.dyndns.org> (raw)
In-Reply-To: <20121130225200.GB6021@htj.dyndns.org>
Hello, again.
Can you please try this patch? Thanks!
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 042d221..26368ef 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -1477,7 +1477,10 @@ bool mod_delayed_work_on(int cpu, struct workqueue_struct *wq,
} while (unlikely(ret == -EAGAIN));
if (likely(ret >= 0)) {
- __queue_delayed_work(cpu, wq, dwork, delay);
+ if (!delay)
+ __queue_work(cpu, wq, &dwork->work);
+ else
+ __queue_delayed_work(cpu, wq, dwork, delay);
local_irq_restore(flags);
}
next prev parent reply other threads:[~2012-11-30 22:55 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-17 13:01 Zlatko Calusic
2012-11-30 22:52 ` Tejun Heo
2012-11-30 22:55 ` Tejun Heo [this message]
2012-12-01 11:06 ` Zlatko Calusic
2012-12-01 14:38 ` Tejun Heo
2012-12-01 17:11 ` Zlatko Calusic
2012-12-01 19:13 ` Tejun Heo
2012-12-01 22:11 ` Zlatko Calusic
2012-11-30 23:11 ` Zlatko Calusic
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