Re: [RFC] Robust futex causing memcg OOM storm on exit
From: Michal Hocko
Date: Wed Jul 29 2026 - 04:33:26 EST
On Tue 28-07-26 19:25:57, Shakeel Butt wrote:
[...]
> Now I have much better results. Previous numbers were on a VM and now I have
> ran on a physical machine and the results are much better and consistent. The
> baseline consistently shows ~90 seconds exit time while (tsk_is_oom_victim +
> MMF_OOM_SKIP) consistently show ~3 seconds exit time. I will send the formal
> patch soon.
Thanks a lot for the testing Shakeel! We can always ease the check but
if the more conservative approach helps already then this would be my
preferred way.
Thanks!
--
Michal Hocko
SUSE Labs