We should activate swap-backed executable folios (e.g. tmpfs) after first usage so that executable code gets yet better chance to stay in memory. Suggested-by: Huang, Ying <ying.huang@xxxxxxxxx> Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx> --- mm/vmscan.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/vmscan.c b/mm/vmscan.c index 0e5818970998..cc1193e320c2 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1412,9 +1412,9 @@ static enum page_references folio_check_references(struct folio *folio, return PAGEREF_ACTIVATE; /* - * Activate file-backed executable folios after first usage. + * Activate executable folios after first usage. */ - if ((vm_flags & VM_EXEC) && !folio_test_swapbacked(folio)) + if (vm_flags & VM_EXEC) return PAGEREF_ACTIVATE; return PAGEREF_KEEP; -- 2.23.0
