Re: [REGRESSION] Re: [PATCH 6.1 033/219] memcg: drop kmem.limit_in_bytes

From: Shakeel Butt
Date: Wed Sep 20 2023 - 15:46:43 EST


On Wed, Sep 20, 2023 at 9:55 AM Michal Hocko <mhocko@xxxxxxxx> wrote:
>
> On Wed 20-09-23 08:32:42, Shakeel Butt wrote:
> > Also I don't think reverting 58056f77502f would give any benefit.
>
> Not reverting 58056f77502f would re-introduce the regression in some
> non-patched versions of Docker runtimes which cannot handle ENOTSUPP.
> So I think we need to revert both or none of them. I would prefer the
> later (option 1) as the fix is trivial but I do understand headache
> of chasing all those outdated deployments or vendor code forks.

I think that would be too much conservative an approach but I don't
have a strong opinion against it. Also just to be clear we are not
talking about full revert of 58056f77502f but just the returning of
EOPNOTSUPP, right?