Re: [RFC 0/1] add support for reclaiming priorities per mem cgroup

[Shakeel Butt]

> A more useful metric for memory pressure at this point is quantifying
> that time you spend thrashing: time the job spends in direct reclaim
> and on the flipside time the job waits for recently evicted pages to
> come back. Combined, that gives you a good measure of overhead from
> memory pressure; putting that in relation to a useful baseline of
> meaningful work done gives you a portable scale of how effictively
> your job is running.
>
> I'm working on that right now, hopefully I'll have something useful
> soon.

Johannes, is the work you are doing only about file pages or will it
equally apply to anon pages as well?