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Message-ID: <20160623163910.GB1868@techsingularity.net>
Date:	Thu, 23 Jun 2016 17:39:10 +0100
From:	Mel Gorman <mgorman@...hsingularity.net>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Vlastimil Babka <vbabka@...e.cz>,
	Johannes Weiner <hannes@...xchg.org>,
	Rik van Riel <riel@...riel.com>,
	Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC, DEBUGGING 1/2] mm: pass NR_FILE_PAGES/NR_SHMEM into
 node_page_state

On Thu, Jun 23, 2016 at 05:56:57PM +0200, Arnd Bergmann wrote:
> On Thursday, June 23, 2016 2:51:11 PM CEST Mel Gorman wrote:
> > On Thu, Jun 23, 2016 at 03:17:43PM +0200, Arnd Bergmann wrote:
> > > > I have an alternative fix for this in a private tree. For now, I've asked
> > > > Andrew to withdraw the series entirely as there are non-trivial collisions
> > > > with OOM detection rework and huge page support for tmpfs.  It'll be easier
> > > > and safer to resolve this outside of mmotm as it'll require a full round
> > > > of testing which takes 3-4 days.
> > > 
> > > Ok. I've done a new version of my debug patch now, will follow up here
> > > so you can do some testing on top of that as well if you like. We probably
> > > don't want to apply my patch for the type checking, but you might find it
> > > useful for your own testing.
> > > 
> > 
> > It is useful. After fixing up a bunch of problems manually, it
> > identified two more errors. I probably won't merge it but I'll hang on
> > to it during development.
> 
> I'm glad it helps. On my randconfig build machine, I've also now run
> into yet another finding that I originally didn't catch, not sure if you
> found this one already:
> 

It's corrected in my current working tree. Thanks for continuing to
check.

-- 
Mel Gorman
SUSE Labs

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