Re: [RFC 0/8] Cpuset aware writeback

From: Ethan Solomita
Date: Wed Apr 18 2007 - 22:08:36 EST


Christoph Lameter wrote:
On Wed, 21 Mar 2007, Ethan Solomita wrote:

Christoph Lameter wrote:
On Thu, 1 Feb 2007, Ethan Solomita wrote:

Hi Christoph -- has anything come of resolving the NFS / OOM concerns
that
Andrew Morton expressed concerning the patch? I'd be happy to see some
progress on getting this patch (i.e. the one you posted on 1/23) through.
Peter Zilkstra addressed the NFS issue. I will submit the patch again as
soon as the writeback code stabilizes a bit.
I'm pinging to see if this has gotten anywhere. Are you ready to
resubmit? Do we have the evidence to convince Andrew that the NFS issues are
resolved and so this patch won't obscure anything?

The NFS patch went into Linus tree a couple of days ago and I have a new version ready with additional support to set per dirty ratios per cpu. There is some interest in adding more VM controls to this patch. I hope I can post the next rev by tomorrow.

Any new ETA? I'm trying to decide whether to go back to your original patches or wait for the new set. Adding new knobs isn't as important to me as having something that fixes the core problem, so hopefully this isn't waiting on them. They could always be patches on top of your core patches.
-- Ethan

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