linux-kernel - Re: [RFC 0/3] Recursive reclaim (on __PF

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Date:	Tue, 18 Sep 2007 11:30:57 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	"Mike Snitzer" <snitzer@...il.com>
Cc:	"Daniel Phillips" <phillips@...nq.net>,
	"Christoph Lameter" <clameter@....com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	dkegel@...gle.com, "David Miller" <davem@...emloft.net>,
	"Nick Piggin" <npiggin@...e.de>, "Wouter Verhelst" <w@...r.be>,
	"Evgeniy Polyakov" <johnpol@....mipt.ru>
Subject: Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC)

On Mon, 17 Sep 2007 23:27:25 -0400 "Mike Snitzer" <snitzer@...il.com>
wrote:

> I'm going to try adding all the things I've learned into the mix all
> at once; including both of peterz's patchsets.  Peter, do you have a
> git repo or website/ftp site for you r latest per-bdi and network
> deadlock patchsets?  Pulling them out of LKML archives isn't "fun".

BDI should be back in -mm, for the other its in shambles atm, I'll tell
you where to find it when I've put it back together.

I should get myself some time to read on how to push relative git
trees, as I did get myself a kernel.org account.

> Also, I've noticed that the more recent network deadlock avoidance
> patchsets haven't included NBD changes; any reason why these have been
> dropped?  Should I just look to shoe-horn in previous NBD-oriented
> patches from an earlier version of that patchset?

NBD has some serious block layer issues, I once talked with Jens about
it and he explained what needed to be done to get NBD back in
shape again, but I could not be bothered to spend time on it.
[ and have since forgotten most of the details :-/ ]

For me NBD is dead and broken beyond repair, it needs a wholesale
rewrite.
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