linux-kernel - Re: [RFC][PATCH] create workqueue threads only when needed

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Date:	Mon, 2 Feb 2009 15:51:45 +0100
From:	Frédéric Weisbecker <fweisbec@...il.com>
To:	Daniel Walker <dwalker@...o99.com>
Cc:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Lai Jiangshan <laijs@...fujitsu.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [RFC][PATCH] create workqueue threads only when needed

2009/2/2 Daniel Walker <dwalker@...o99.com>:
> On Tue, 2009-01-27 at 01:17 +0100, Frederic Weisbecker wrote:
>
>> All of the workqueues with 0 work inserted do nothing.
>> For several reasons:
>>
>> _ Unneeded built drivers for my system that create workqueue(s) when they init
>> _ Services which need their own workqueue, for several reasons, but who receive
>>   very rare jobs (often never)
>> _ ...?
>>
>
> Some of the workqueues you have on your system can be removed just by
> tuning your kernel config. It's more desirable to be able to remove the
> whole unused feature since that's all unused memory beyond just
> thread ..
>
> Daniel


Yes of course. I just think about the distros which enable a lot of
options by default.
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