linux-kernel - Re: [RFC 0/8] Cpuset aware writeback

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Message-ID: <Pine.LNX.4.64.0704190901250.11728@schroedinger.engr.sgi.com>
Date:	Thu, 19 Apr 2007 09:03:53 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	Ethan Solomita <solo@...gle.com>
cc:	akpm@...l.org, Paul Menage <menage@...gle.com>,
	linux-kernel@...r.kernel.org,
	Nick Piggin <nickpiggin@...oo.com.au>, linux-mm@...ck.org,
	Andi Kleen <ak@...e.de>, Paul Jackson <pj@....com>,
	Dave Chinner <dgc@....com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Subject: Re: [RFC 0/8] Cpuset aware writeback

On Thu, 19 Apr 2007, Ethan Solomita wrote:

> > Hmmmm.... Sorry. I got distracted and I have sent them to Kame-san who was
> > interested in working on them. 
> > I have placed the most recent version at
> > http://ftp.kernel.org/pub/linux/kernel/people/christoph/cpuset_dirty
> >   
> 
>    Do you expect any conflicts with the per-bdi dirty throttling patches?

You would have to check that yourself. The need for cpuset aware writeback 
is less due to writeback fixes to NFS. The per bdi dirty throttling is 
further reducing the need. The role of the cpuset aware writeback is
simply to implement measures to deal with the worst case scenarios.

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