linux-kernel - Re: [PATCH][RFC] dirty balancing for cgroups

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Message-Id: <20080711175213.dc69f068.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Fri, 11 Jul 2008 17:52:13 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	yamamoto@...inux.co.jp (YAMAMOTO Takashi)
Cc:	linux-mm@...ck.org, menage@...gle.com,
	containers@...ts.linux-foundation.org, a.p.zijlstra@...llo.nl,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH][RFC] dirty balancing for cgroups

On Fri, 11 Jul 2008 17:34:46 +0900 (JST)
yamamoto@...inux.co.jp (YAMAMOTO Takashi) wrote:

> hi,
> 
> > > my patch penalizes heavy-writer cgroups as task_dirty_limit does
> > > for heavy-writer tasks.  i don't think that it's necessary to be
> > > tied to the memory subsystem because i merely want to group writers.
> > > 
> > Hmm, maybe what I need is different from this ;)
> > Does not seem to be a help for memory reclaim under memcg.
> 
> to implement what you need, i think that we need to keep track of
> the numbers of dirty-pages in each memory cgroups as a first step.
> do you agree?
> 
yes, I think so, now.

may be not difficult but will add extra overhead ;( Sigh..



Thanks,
-Kame

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