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

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On Wed, Sep 20, 2023 at 1:08 PM Michal Hocko <mhocko@xxxxxxxx> wrote:
> > 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?
> If we allow the limit to be set without returning a failure then we
> still have options 2 and 3 on how to deal with that. One of them is to
> enforce the limit.

Option 3 is a partial revert of 58056f77502f where we keep the no
limit enforcement and remove the EOPNOTSUPP return on write. Let's go
with option 3. In addition, let's add pr_warn_once on the read of
kmem.limit_in_bytes as well.

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