Re: [RFC 0/2] opportunistic memory reclaim of a killed process

Michal Hocko
2019-04-11T18:19:50Z

On Thu 11-04-19 09:47:31, Suren Baghdasaryan wrote:
[...]
> > I would question whether we really need this at all? Relying on the exit
> > speed sounds like a fundamental design problem of anything that relies
> > on it.
>
> Relying on it is wrong, I agree. There are protections like allocation
> throttling that we can fall back to stop memory depletion. However
> having a way to free up resources that are not needed by a dying
> process quickly would help to avoid throttling which hurts user
> experience.

I am not opposing speeding up the exit time in general. That is a good
thing. Especially for a very large processes (e.g. a DB). But I do not
really think we want to expose an API to control this specific aspect.
--
Michal Hocko
SUSE Labs