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

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Message-ID: <Pine.LNX.4.64.0703211454410.5130@schroedinger.engr.sgi.com>
Date:	Wed, 21 Mar 2007 14:57:22 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	Andrew Morton <akpm@...ux-foundation.org>
cc:	Ethan Solomita <solo@...gle.com>, 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>
Subject: Re: [RFC 0/8] Cpuset aware writeback

On Wed, 21 Mar 2007, Andrew Morton wrote:

> > The NFS patch went into Linus tree a couple of days ago
> 
> Did it fix the oom issues which you were observing?

Yes it reduced the dirty ratios to reasonable numbers in a simple copy 
operation that created large amounts of dirty pages before. The trouble is 
now to check if cpuset writeback patch still works correctly.

Probably have to turn off block device congestion checks somehow.
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