On Sat, Mar 13, 2021 at 12:37:16PM -0800, Andrew Morton wrote: > On Fri, 5 Mar 2021 04:18:45 +0000 "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx> wrote: > > > folio_index() is the equivalent of page_index() for folios. folio_page() > > finds the page in a folio for a page cache index. folio_contains() > > tells you whether a folio contains a particular page cache index. > > > > copy-paste changelog into each function's covering comment? Yes, I think documenting all these helpers would be very useful. The lack of good commens on some of the page related existing helpers has driven me insane sometimes.
