On Mon, Apr 1, 2024 at 11:21 PM Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> wrote: > > > > On 2024/4/2 2:22, Vishal Moola wrote: > > On Thu, Mar 21, 2024 at 11:27:38AM +0800, Kefeng Wang wrote: > >> > >> if (!newpage) { > >> @@ -728,14 +729,13 @@ static void __migrate_device_pages(unsigned long *src_pfns, > >> continue; > >> } > >> > >> - mapping = page_mapping(page); > >> + newfolio = page_folio(newpage); > > > > You could save another compound_head() call by passing the folio through > > to migrate_vma_insert_page() and make it migrate_vma_insert_folio(), > > since its already converted to use folios. > > Sure, but let's do it later, we could convert more functions in > migrate_device.c to use folios, thanks for your review, do you Makes sense to me. This patch looks fine to me: Reviewed-by: Vishal Moola (Oracle) <vishal.moola@xxxxxxxxx> > mind to help to review other patches, hope that the poison recover > from migrate folio was merged firstly. I'll take a look at it, I'm not too familiar with how that code works just yet. > > > >> + folio = page_folio(page); > >> + mapping = folio_mapping(folio); > >> > >