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Message-ID: <1405493796-26169-1-git-send-email-laijs@cn.fujitsu.com> Date: Wed, 16 Jul 2014 14:56:36 +0800 From: Lai Jiangshan <laijs@...fujitsu.com> To: <linux-kernel@...r.kernel.org> CC: Tejun Heo <tj@...nel.org>, Lai Jiangshan <laijs@...fujitsu.com> Subject: [PATCH] workqueue: wake regular worker if need_more_worker() when rescuer leave the pool We don't need to wake up regular worker when nr_running==1, so need_more_worker() is sufficient here. And need_more_worker() gives us better readability due to the name of "keep_working()" implies the rescuer should keep working now but the rescuer is actually leaving. Signed-off-by: Lai Jiangshan <laijs@...fujitsu.com> --- kernel/workqueue.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/workqueue.c b/kernel/workqueue.c index dfd9f68..7128053 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -2308,11 +2308,11 @@ repeat: put_pwq(pwq); /* - * Leave this pool. If keep_working() is %true, notify a + * Leave this pool. If need_more_worker() is %true, notify a * regular worker; otherwise, we end up with 0 concurrency * and stalling the execution. */ - if (keep_working(pool)) + if (need_more_worker(pool)) wake_up_worker(pool); rescuer->pool = NULL; -- 1.7.4.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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