On Thu, 3 Sep 2020 15:08:38 +0100 "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx> wrote: > Define it in the callers instead of in page_cache_ra_unbounded(). > The changelogs for patches 2-9 are explaining what the patches do, but not why they do it, Presumably there's some grand scheme in mind, but it isn't being revealed to the reader!