Re: [PATCH -mm v9 0/8] idle memory tracking

Andrew Morton
2015-07-27T19:25:27Z

On Mon, 27 Jul 2015 12:18:57 -0700 Kees Cook <keescook@chromium.org> wrote:

> > Why were these put in /proc anyway? Rather than under /sys/fs/cgroup
> > somewhere? Presumably because /proc/kpageidle is useful in non-memcg
> > setups.
>
> Do we need a /proc/vm/ for holding these kinds of things? We're
> collecting a lot there. Or invent some way for this to be sensible in
> /sys?

/proc is the traditional place for such things (/proc/kpagecount,
/proc/kpageflags, /proc/pagetypeinfo). But that was probably a
mistake.

/proc/sys/vm is rather a dumping ground of random tunables and
statuses, but yes, I do think that moving the kpageidle stuff into there
would be better.