Re: [PATCH] mm: memcg: Fix memcg reclaim soft lockup

Michal Hocko
2020-08-26T13:26:24Z

On Wed 26-08-20 21:16:28, xunlei wrote:
[...]
> oom_reaper also can't get scheduled because of 1-cpu, and the mutex
> uses might_sleep() which is noop in case of "CONFIG_PREEMPT_VOLUNTARY is
> not set" I mentioned in the commit log.

OK, I see. I have clearly missed the 1cpu configuration. Sorry about
that.

Thanks for bearing with me.
--
Michal Hocko
SUSE Labs