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Date: Fri, 4 Apr 2008 02:00:10 -0700
From: "Paul Menage" <menage@google.com>
To: "Satoshi UCHIDA" <s-uchida@ap.jp.nec.com>
Subject: Re: [RFC][patch 8/11][CFQ-cgroup] Control cfq_data per cgroup
Cc: linux-kernel@vger.kernel.org, containers@lists.linux-foundation.org,
       axboe@kernel.dk, tom-sugawara@ap.jp.nec.com, m-takahashi@ex.jp.nec.com
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On Thu, Apr 3, 2008 at 11:20 PM, Satoshi UCHIDA <s-uchida@ap.jp.nec.com> wrote:
>
>  So that you say, root subsystem state maybe keep a reference locally.
>  For example, create a variable for root subsystem state and
>  store the pointer when making subsystem state first.

Yes, that's what I'm suggesting.

>
>  However, I think that it is smart to calculate root group of subsystems
>  when needing its information.

I don't see why it's better to go through the cgroup subsystem to
retrieve the reference.

Paul