On Mon, Apr 20, 2020 at 06:11:20PM -0400, Johannes Weiner wrote: > With the page->mapping requirement gone from memcg, we can charge anon > and file-thp pages in one single step, right after they're allocated. > > This removes two out of three API calls - especially the tricky commit > step that needed to happen at just the right time between when the > page is "set up" and when it's "published" - somewhat vague and fluid > concepts that varied by page type. All we need is a freshly allocated > page and a memcg context to charge. > > Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx> Reviewed-by: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>