From: Zhiguo Jiang <justinjiang@vivo.com>
To: "Matthew Wilcox (Oracle)" <willy@infradead.org>,
Andrew Morton <akpm@linux-foundation.org>,
linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Cc: opensource.kernel@vivo.com, Zhiguo Jiang <justinjiang@vivo.com>
Subject: [PATCH] mm: remove redundant if overhead
Date: Tue, 10 Sep 2024 22:39:45 +0800 [thread overview]
Message-ID: <20240910143945.1123-1-justinjiang@vivo.com> (raw)
Remove redundant if judgment overhead.
Signed-off-by: Zhiguo Jiang <justinjiang@vivo.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
next reply other threads:[~2024-09-10 14:40 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-10 14:39 Zhiguo Jiang [this message]
2024-09-10 16:03 ` Matthew Wilcox
2024-09-11 1:14 ` zhiguojiang
2024-09-11 1:34 ` Matthew Wilcox
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