linux-kernel - Re: [RFC PATCH] nfs: avoid swap-over-NFS deadlock

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Date:	Thu, 3 Sep 2015 15:01:17 +0100
From:	Mel Gorman <mgorman@...e.de>
To:	Jerome Marchand <jmarchan@...hat.com>
Cc:	Mel Gorman <mgorman@...hsingularity.net>,
	Trond Myklebust <trond.myklebust@...marydata.com>,
	Anna Schumaker <anna.schumaker@...app.com>,
	Christoph Hellwig <hch@...radead.org>,
	Linux NFS Mailing List <linux-nfs@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH] nfs: avoid swap-over-NFS deadlock

On Tue, Sep 01, 2015 at 06:22:14PM +0200, Jerome Marchand wrote:
> > Thanks. Sorry for the long delay but I finally got back to the bug this
> > week. NFS can be modified to special case the swapfile but I was not happy
> > with the result for multiple reasons. It took me a while to see a way for
> > the core VM to deal with it. What do you think of the following
> > approach?
> 
> Seems sound to me.
> 
> > More importantly, does it work for you?
> 
> Yes.
> 

Sweet, thanks. It's the merge window now so it won't get fixed now and I
know there is already a collision with the mm merge. I'll rebase and
repost after 4.3-rc1 comes out.

-- 
Mel Gorman
SUSE Labs
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