linux-kernel - Re: kernel oops on mmotm-2015-10-15-15-20

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Message-ID: <20151116105452.GA10575@node.shutemov.name>
Date:	Mon, 16 Nov 2015 12:54:53 +0200
From:	"Kirill A. Shutemov" <kirill@...temov.name>
To:	Minchan Kim <minchan@...nel.org>
Cc:	Hugh Dickins <hughd@...gle.com>,
	Sasha Levin <sasha.levin@...cle.com>,
	Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, Rik van Riel <riel@...hat.com>,
	Mel Gorman <mgorman@...e.de>, Michal Hocko <mhocko@...e.cz>,
	Johannes Weiner <hannes@...xchg.org>,
	Vlastimil Babka <vbabka@...e.cz>
Subject: Re: kernel oops on mmotm-2015-10-15-15-20

On Mon, Nov 16, 2015 at 07:32:20PM +0900, Minchan Kim wrote:
> On Mon, Nov 16, 2015 at 10:45:22AM +0200, Kirill A. Shutemov wrote:
> > On Mon, Nov 16, 2015 at 10:45:21AM +0900, Minchan Kim wrote:
> > > During the test with MADV_FREE on kernel I applied your patches,
> > > I couldn't see any problem.
> > > 
> > > However, in this round, I did another test which is same one
> > > I attached but a liitle bit different because it doesn't do
> > > (memcg things/kill/swapoff) for testing program long-live test.
> > 
> > Could you share updated test?
> 
> It's part of my testing suite so I should factor it out.
> I will send it when I go to office tomorrow.

Thanks.

> > And could you try to reproduce it on clean mmotm-2015-11-10-15-53?
> 
> Befor leaving office, I queued it up and result is below.
> It seems you fixed already but didn't apply it to mmotm yet. Right?
> Anyway, please confirm and say to me what I should add more patches
> into mmotm-2015-11-10-15-53 for follow up your recent many bug
> fix patches.

The two my patches which are not in the mmotm-2015-11-10-15-53 release:

http://lkml.kernel.org/g/1447236557-68682-1-git-send-email-kirill.shutemov@linux.intel.com
http://lkml.kernel.org/g/1447236567-68751-1-git-send-email-kirill.shutemov@linux.intel.com

-- 
 Kirill A. Shutemov
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