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From: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
To: mhocko@kernel.org
Cc: hannes@cmpxchg.org, riel@redhat.com, akpm@linux-foundation.org,
	mgorman@suse.de, vbabka@suse.cz, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm, vmscan: do not loop on too_many_isolated for ever
Date: Thu, 6 Jul 2017 19:48:51 +0900	[thread overview]
Message-ID: <201707061948.ICJ18763.tVFOQFOHMJFSLO@I-love.SAKURA.ne.jp> (raw)
In-Reply-To: <20170705082018.GB14538@dhcp22.suse.cz>

Michal Hocko wrote:
> On Sat 01-07-17 20:43:56, Tetsuo Handa wrote:
> > Michal Hocko wrote:
> [...]
> > > It is really hard to pursue this half solution when there is no clear
> > > indication it helps in your testing. So could you try to test with only
> > > this patch on top of the current linux-next tree (or Linus tree) and see
> > > if you can reproduce the problem?
> > 
> > With this patch on top of next-20170630, I no longer hit this problem.
> > (Of course, this is because this patch eliminates the infinite loop.)
> 
> I assume you haven't seen other negative side effects, like unexpected
> OOMs etc... Are you willing to give your Tested-by?

I didn't see other negative side effects.

Tested-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>

We need long time for testing this patch at linux-next.git (and I give up
this handy bug for finding other bugs under almost OOM situation).

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  reply	other threads:[~2017-07-06 10:49 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-07 13:30 [PATCH] mm, vmscan: do not loop on too_many_isolated for ever Michal Hocko
2017-03-07 19:52 ` Rik van Riel
2017-03-08  9:21   ` Michal Hocko
2017-03-08 15:54     ` Rik van Riel
2017-03-09  9:12       ` Michal Hocko
2017-03-09 14:16         ` Rik van Riel
2017-03-09 14:59           ` Michal Hocko
2017-03-09 18:05   ` Johannes Weiner
2017-03-09 22:18     ` Rik van Riel
2017-03-10 10:27       ` Michal Hocko
2017-03-10 10:20     ` Michal Hocko
2017-03-10 11:44       ` Tetsuo Handa
2017-03-21 10:37         ` Tetsuo Handa
2017-04-23 10:24         ` Tetsuo Handa
2017-04-24 12:39           ` Stanislaw Gruszka
2017-04-24 13:06             ` Tetsuo Handa
2017-04-25  6:33               ` Stanislaw Gruszka
2017-06-30  0:14         ` Tetsuo Handa
2017-06-30 13:32           ` Michal Hocko
2017-06-30 15:59             ` Tetsuo Handa
2017-06-30 16:19               ` Michal Hocko
2017-07-01 11:43                 ` Tetsuo Handa
2017-07-05  8:19                   ` Michal Hocko
2017-07-05  8:20                   ` Michal Hocko
2017-07-06 10:48                     ` Tetsuo Handa [this message]
2017-03-09 14:31 ` Mel Gorman
2017-07-10  7:48 Michal Hocko
2017-07-10 13:16 ` Vlastimil Babka
2017-07-10 13:58 ` Rik van Riel
2017-07-10 16:58   ` Johannes Weiner
2017-07-10 17:09     ` Michal Hocko
2017-07-19 22:20 ` Andrew Morton
2017-07-20  6:56   ` Michal Hocko
2017-07-21 23:01     ` Andrew Morton
2017-07-24  6:50       ` Michal Hocko
2017-07-20  1:54 ` Hugh Dickins
2017-07-20 10:44   ` Tetsuo Handa
2017-07-24  7:01     ` Hugh Dickins
2017-07-24 11:12       ` Tetsuo Handa
2017-07-20 13:22   ` Michal Hocko
2017-07-24  7:03     ` Hugh Dickins

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