linux-kernel - Re: [PATCH 4/7 V2] workqueue: reuse the current per-node pwq when its attrs unchanged

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Date:	Mon, 25 May 2015 17:47:17 +0800
From:	Lai Jiangshan <laijs@...fujitsu.com>
To:	<linux-kernel@...r.kernel.org>
CC:	Tejun Heo <tj@...nel.org>
Subject: Re: [PATCH 4/7 V2] workqueue: reuse the current per-node pwq when
 its attrs unchanged

Hi, TJ

The patch 4/5/6 does reduce cpu and temporary-memory usage sometimes.
But it is in slow path where small optimization is commonly unwelcome at.

Do I need to refactor the patches?  I'm in doubt for the necessary.

Thanks,
Lai
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