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

From: Marc MERLIN
Date: Tue Nov 22 2016 - 11:06:42 EST

On Mon, Nov 21, 2016 at 01:56:39PM -0800, Marc MERLIN wrote:
> On Mon, Nov 21, 2016 at 10:50:20PM +0100, Vlastimil Babka wrote:
> > > 4.9rc5 however seems to be doing better, and is still running after 18
> > > hours. However, I got a few page allocation failures as per below, but the
> > > system seems to recover.
> > > Vlastimil, do you want me to continue the copy on 4.9 (may take 3-5 days)
> > > or is that good enough, and i should go back to 4.8.8 with that patch applied?
> > >
> >
> > Hi, I think it's enough for 4.9 for now and I would appreciate trying
> > 4.8 with that patch, yeah.
> So the good news is that it's been running for almost 5H and so far so good.

And the better news is that the copy is still going strong, 4.4TB and
going. So 4.8.8 is fixed with that one single patch as far as I'm

So thanks for that, looks good to me to merge.

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