On Tue, Jan 28, 2020 at 4:05 PM Dave Hansen <dave.hansen@xxxxxxxxx> wrote: > > On 1/28/20 11:50 AM, Yang Shi wrote: > > So I would like to discuss how we should move forward, what pieces we > > still miss, what we can combine, etc. > > Thanks for proposing this! > > In addition to what you've mentioned, I'd really like to close in on > what folks think the first set of patches we _merge_ would look like. > More features than what we've got in the two sets? Less? Good point. We'd better figure out the minimal viable set. > > I'd also like to have to rehash a few discussions we've had inside > Intel. For instance, migrating (demoting) a page cache page is more That would be definitely useful. > expensive than just discarding at reclaim time. But, it might be > expensive to recreate that page later if we do discard it. There > doesn't seem to be a single, obviously "right" answer. I agree, so my patchset just deals with anonymous pages. Page cache seems more tricky.
