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: <CA+55aFweND3KoV=00onz0Y5W9ViFedd-nvfCuB+phorc=75tpQ@mail.gmail.com>
Date:   Tue, 22 Nov 2016 11:38:47 -0800
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Vlastimil Babka <vbabka@...e.cz>
Cc:     Marc MERLIN <marc@...lins.org>, linux-mm <linux-mm@...ck.org>,
        Michal Hocko <mhocko@...nel.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 Tue, Nov 22, 2016 at 8:14 AM, Vlastimil Babka <vbabka@...e.cz> wrote:
>
> Thanks a lot for the testing. So what do we do now about 4.8? (4.7 is
> already EOL AFAICS).
>
> - send the patch [1] as 4.8-only stable.

I think that's the right thing to do. It's pretty small, and the
argument that it changes the oom logic too much is pretty bogus, I
think. The oom logic in 4.8 is simply broken. Let's get it fixed.
Changing it is the point.

               Linus