linux-kernel - Re: [PATCH/RFC] Have sane default values for cpusets

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Message-ID: <AANLkTimJTqxagyHn0orcGtor_r8iOAfNpJQfGLGCETg8@mail.gmail.com>
Date:	Wed, 12 May 2010 15:46:37 +0200
From:	Dhaval Giani <dhaval.giani@...il.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	menage@...gle.com, balbir@...ux.vnet.ibm.com,
	lennart@...ttering.net, jsafrane@...hat.com, tglx@...utronix.de,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH/RFC] Have sane default values for cpusets

On Wed, May 12, 2010 at 3:40 PM, Peter Zijlstra <peterz@...radead.org> wrote:
> On Wed, 2010-05-12 at 15:05 +0200, Dhaval Giani wrote:
>> Where cpusets goes wrong is to have a *no* default values.
>
> It has a default, empty is still a valid value.
>

Well, it is still not sane. And in the part you snipped, I did mention,

>> do we enforce a policy to have sane defaults
>> for subsystems if they prevent attaching "regular" tasks by default.

And to add to it, a sane default can be defined as one, where a task
can be attached to a cgroup on creation without changing any other
parameter.

Dhaval
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