Re: [PATCH v2] mm: memcontrol: protect the memory in cgroup from being oom killed

From: Michal Hocko
Date: Fri Dec 09 2022 - 07:27:24 EST


On Fri 09-12-22 09:25:38, Michal Hocko wrote:
> On Fri 09-12-22 05:07:15, 程垲涛 Chengkaitao Cheng wrote:
[...]
> > Here is a simple example. In a docker container, users can divide all processes
> > into two categories (important and normal), and put them in different cgroups.
> > One cgroup's oom.protect is set to "max", the other is set to "0". In this way,
> > important processes in the container can be protected.
>
> That is effectivelly oom_score_adj = OOM_SCORE_ADJ_MIN - 1 to all

Sorry that should have been OOM_SCORE_ADJ_MIN + 1

--
Michal Hocko
SUSE Labs