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Date: Mon, 2 Feb 2009 15:51:45 +0100
Message-ID: <c62985530902020651j59f3e041u2c80b96914b04765@mail.gmail.com>
Subject: Re: [RFC][PATCH] create workqueue threads only when needed
From: =?ISO-8859-1?Q?Fr=E9d=E9ric_Weisbecker?= <fweisbec@gmail.com>
To: Daniel Walker <dwalker@fifo99.com>
Cc: Ingo Molnar <mingo@elte.hu>, linux-kernel@vger.kernel.org,
       Andrew Morton <akpm@linux-foundation.org>,
       Lai Jiangshan <laijs@cn.fujitsu.com>,
       Peter Zijlstra <a.p.zijlstra@chello.nl>,
       Steven Rostedt <rostedt@goodmis.org>
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2009/2/2 Daniel Walker <dwalker@fifo99.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.