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SubjectRe: scheduling while atomic in z3fold
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On Mon, 2020-11-30 at 17:27 +0100, Mike Galbraith wrote:
> On Mon, 2020-11-30 at 17:03 +0100, Sebastian Andrzej Siewior wrote:
> > On 2020-11-30 16:01:11 [+0100], Mike Galbraith wrote:
> > > On Mon, 2020-11-30 at 15:52 +0100, Sebastian Andrzej Siewior wrote:
> > > > How do you test this? I triggered a few oom-killer and I have here git
> > > > gc running for a few hours now… Everything is fine.
> > >
> > > In an LTP install, ./runltp -f mm. Shortly after box starts swapping
> > > insanely, it explodes quite reliably here with either z3fold or
> > > zsmalloc.. but not with zbud.
> >
> > This just passed. It however killed my git-gc task which wasn't done.
> > Let me try tomorrow with your config.
>
> FYI, I tried 5.9-rt (after fixing 5.9.11), it exploded in the same way,
> so (as expected) it's not some devel tree oopsie.

It reproduces in full distro KVM too.

-Mike

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