> On Aug 23, 2023, at 00:28, Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> wrote: > > Anything found on a linked list threaded through ->lru is guaranteed to > be a folio as the compound_head found in a tail page overlaps the ->lru > member of struct page. So we can pull folios directly off these lists > no matter whether pages or folios were added to the list. > > Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> > Cc: Sidhartha Kumar <sidhartha.kumar@xxxxxxxxxx> Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx> Thanks.