[PATCH] mm: remove redundant if overhead

[Zhiguo Jiang <justinjiang@xxxxxxxx>]

Remove redundant if judgment overhead.

Signed-off-by: Zhiguo Jiang <justinjiang@xxxxxxxx>
---
 mm/page-writeback.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index fcd4c1439cb9..2d2c3f4e640d
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -2715,9 +2715,7 @@ int do_writepages(struct address_space *mapping, struct writeback_control *wbc)
  */
 bool noop_dirty_folio(struct address_space *mapping, struct folio *folio)
 {
-	if (!folio_test_dirty(folio))
-		return !folio_test_set_dirty(folio);
-	return false;
+	return !folio_test_set_dirty(folio);
 }
 EXPORT_SYMBOL(noop_dirty_folio);
 
-- 
2.39.0