On Thu, Jun 24, 2021 at 04:57:29PM +0100, Matthew Wilcox wrote: > On Wed, Jun 23, 2021 at 10:00:37AM +0200, Christoph Hellwig wrote: > > On Tue, Jun 22, 2021 at 01:15:10PM +0100, Matthew Wilcox (Oracle) wrote: > > > As a default implementation, call arch_make_page_accessible n times. > > > If an architecture can do better, it can override this. > > > > > > Also move the default implementation of arch_make_page_accessible() > > > from gfp.h to mm.h. > > > > Can we wait with introducing arch hooks until we have an actual user > > lined up? > > This one gets used in __folio_end_writeback() which is patch 24 in this > series. With arch hook I mean the ifdef to allow the architeture to override the folio function. Same for the previous patch, btw.