Re: [patch v2] mm, memcg: do not retry precharge charges

From: Johannes Weiner
Date: Sun Jan 15 2017 - 10:19:38 EST


On Sat, Jan 14, 2017 at 09:42:48PM -0800, David Rientjes wrote:
> On Sat, 14 Jan 2017, Johannes Weiner wrote:
>
> > The OOM killer livelock was the motivation for this patch. With that
> > ruled out, what's the point of this patch? Try a bit less hard to move
> > charges during task migration?
> >
>
> Most important part is to fail ->can_attach() instead of oom killing
> processes when attaching a process to a memcg hierarchy.

Ah, that makes sense.

Could you please update the changelog to reflect this? Thanks!