Re: [PATCH v14 16/18] vmpressure: in-kernel notifications

[Luiz Capitulino]

On Fri, 20 Dec 2013 10:03:32 -0500
Luiz Capitulino <lcapitulino@xxxxxxxxxx> wrote:

> > The answer for all of your questions above can be summarized by noting
> > that for the lack of other users (at the time), this patch does the bare minimum
> > for memcg needs. I agree, for instance, that it would be good to pass the level
> > but since memcg won't do anything with thta, I didn't pass it.
> > 
> > That should be extended if you need to.
> 
> That works for me. That is, including this minimal version first and
> extending it when we get in-tree users.

Btw, there's something I was thinking just right now. If/when we
convert shrink functions to use this API, they will come to depend
on CONFIG_MEMCG=y. IOW, they won't work if CONFIG_MEMCG=n.

Is this acceptable (this is an honest question)? Because today, they
do work when CONFIG_MEMCG=n. Should those shrink functions use the
shrinker API as a fallback?
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