[PATCH 5/8] mm/vmscan: use helper folio_is_file_lru()

From: Miaohe Lin
Date: Tue Mar 29 2022 - 09:26:28 EST


Use helper folio_is_file_lru() to check whether folio is file lru. Minor
readability improvement.

Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
---
mm/vmscan.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index ebd8ffb63673..31e95d627448 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1411,14 +1411,14 @@ static enum page_references folio_check_references(struct folio *folio,
/*
* Activate file-backed executable folios after first usage.
*/
- if ((vm_flags & VM_EXEC) && !folio_test_swapbacked(folio))
+ if ((vm_flags & VM_EXEC) && folio_is_file_lru(folio))
return PAGEREF_ACTIVATE;

return PAGEREF_KEEP;
}

/* Reclaim if clean, defer dirty folios to writeback */
- if (referenced_folio && !folio_test_swapbacked(folio))
+ if (referenced_folio && folio_is_file_lru(folio))
return PAGEREF_RECLAIM_CLEAN;

return PAGEREF_RECLAIM;
--
2.23.0