linux-kernel - Re: Too many I/O controller patches

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Date:	Tue, 05 Aug 2008 09:25:37 -0700
From:	Dave Hansen <dave@...ux.vnet.ibm.com>
To:	Paul Menage <menage@...gle.com>
Cc:	righi.andrea@...il.com, xen-devel@...ts.xensource.com,
	containers@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org,
	virtualization@...ts.linux-foundation.org, dm-devel@...hat.com,
	agk@...rceware.org
Subject: Re: Too many I/O controller patches

On Mon, 2008-08-04 at 22:55 -0700, Paul Menage wrote:
> 
> As Dave suggested, I think it would make more sense to have your
> page-dirtying throttle points hook into the memory controller instead,
> and allow the memory controller to track/limit dirty pages for a
> cgroup, and potentially do throttling as part of that.

Yeah, I'm sure we're going to have to get to setting the dirty ratio
        
        $ cat /proc/sys/vm/dirty_ratio
        40

on a per-container basis at *some* point.  We might as well do it
earlier rather than later.

-- Dave

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