On Fri, 2023-10-20 at 11:33 -0700, Vishal Moola (Oracle) wrote: > This removes 2 calls to compound_head() and helps convert khugepaged > to > use folios throughout. > > Previously, if the address passed to collapse_pte_mapped_thp() > corresponded to a tail page, the scan would fail immediately. Using > filemap_lock_folio() we get the corresponding folio back and try to > operate on the folio instead. > > Signed-off-by: Vishal Moola (Oracle) <vishal.moola@xxxxxxxxx> Reviewed-by: Rik van Riel <riel@xxxxxxxxxxx> -- All Rights Reversed.