[PATCH v2 5/9] mm/vmscan: activate swap-backed executable folios after first usage
From: Miaohe Lin
Date: Sat Apr 09 2022 - 05:34:55 EST
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