On 6/20/23 11:22, Matthew Wilcox wrote: > On Sat, Apr 29, 2023 at 04:27:59PM +0800, Yin Fengwei wrote: >> diff --git a/mm/swap.c b/mm/swap.c >> index 57cb01b042f6..0f8554aeb338 100644 >> --- a/mm/swap.c >> +++ b/mm/swap.c >> @@ -228,8 +228,7 @@ static void folio_batch_move_lru(struct folio_batch *fbatch, move_fn_t move_fn) >> static void folio_batch_add_and_move(struct folio_batch *fbatch, >> struct folio *folio, move_fn_t move_fn) >> { >> - if (folio_batch_add(fbatch, folio) && !folio_test_large(folio) && >> - !lru_cache_disabled()) >> + if (folio_batch_add(fbatch, folio) && !lru_cache_disabled()) >> return; >> folio_batch_move_lru(fbatch, move_fn); >> } > > What if all you do is: > > - if (folio_batch_add(fbatch, folio) && !folio_test_large(folio) && > - !lru_cache_disabled()) > + if (folio_batch_add(fbatch, folio) && !lru_cache_disabled()) > > > How does that perform? I will give it a try. Thanks. Regards Yin, Fengwei