linux-kernel - [PATCH] mm: remove redundant if overhead

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Message-ID: <20240910143945.1123-1-justinjiang@vivo.com>
Date: Tue, 10 Sep 2024 22:39:45 +0800
From: Zhiguo Jiang <justinjiang@...o.com>
To: "Matthew Wilcox (Oracle)" <willy@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-fsdevel@...r.kernel.org,
	linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Cc: opensource.kernel@...o.com,
	Zhiguo Jiang <justinjiang@...o.com>
Subject: [PATCH] mm: remove redundant if overhead

Remove redundant if judgment overhead.

Signed-off-by: Zhiguo Jiang <justinjiang@...o.com>
---
 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