Re: System freezes after OOM

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On Fri, 15 Jul 2016, Tetsuo Handa wrote:

> Whether the OOM reaper will free some memory no longer matters. Instead,
> whether the OOM reaper will let the OOM killer select next OOM victim matters.
> 
> Are you aware that the OOM reaper will let the OOM killer select next OOM
> victim (currently by clearing TIF_MEMDIE)? Clearing TIF_MEMDIE in 4.6 occurred
> only when OOM reaping succeeded. But we are going to change the OOM reaper
> always clear TIF_MEMDIE in 4.8 (or presumably change the OOM killer not to
> depend on TIF_MEMDIE) so that the OOM reaper guarantees that the OOM killer
> always selects next OOM victim.
> 

That's cute, I'll have to look into those patches.

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