linux-kernel - Re: 4.8.8 kernel trigger OOM killer repeatedly when I have lots of RAM that should be free

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Message-ID: <20161129155537.f6qgnfmnoljwnx6j@merlins.org>
Date:   Tue, 29 Nov 2016 07:55:37 -0800
From:   Marc MERLIN <marc@...lins.org>
To:     Michal Hocko <mhocko@...nel.org>
Cc:     Vlastimil Babka <vbabka@...e.cz>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-mm <linux-mm@...ck.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Tejun Heo <tj@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: 4.8.8 kernel trigger OOM killer repeatedly when I have lots of
 RAM that should be free

On Mon, Nov 28, 2016 at 08:23:15AM +0100, Michal Hocko wrote:
> Marc, could you try this patch please? I think it should be pretty clear
> it should help you but running it through your use case would be more
> than welcome before I ask Greg to take this to the 4.8 stable tree.

I ran it overnight and copied 1.4TB with it before it failed because
there wasn't enough disk space on the other side, so I think it fixes
the problem too.

Marc
-- 
"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
Microsoft is to operating systems ....
                                      .... what McDonalds is to gourmet cooking
Home page: http://marc.merlins.org/                         | PGP 1024R/763BE901