linux-kernel - [PATCH 15/15] mm/z3fold: introduce __zpdesc_clear

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Date: Fri, 21 Jun 2024 13:46:55 +0800
From: alexs@...nel.org
To: Vitaly Wool <vitaly.wool@...sulko.com>,
	Miaohe Lin <linmiaohe@...wei.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	linux-mm@...ck.org,
	minchan@...nel.org,
	willy@...radead.org,
	senozhatsky@...omium.org,
	david@...hat.com,
	42.hyeyoo@...il.com
Cc: Alex Shi <alexs@...nel.org>
Subject: [PATCH 15/15] mm/z3fold: introduce __zpdesc_clear_movable

From: Alex Shi <alexs@...nel.org>

Add a helper __zpdesc_clear_movable() for __ClearPageMovable(), and use it
in callers, that make code clear.

Signed-off-by: Alex Shi <alexs@...nel.org>
---
 mm/z3fold.c | 4 ++--
 mm/zpdesc.h | 5 +++++
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/mm/z3fold.c b/mm/z3fold.c
index 35e48440c517..e23d56f46760 100644
--- a/mm/z3fold.c
+++ b/mm/z3fold.c
@@ -352,7 +352,7 @@ static void free_z3fold_page(struct zpdesc *zpdesc, bool headless)
 {
 	if (!headless) {
 		zpdesc_lock(zpdesc);
-		__ClearPageMovable(zpdesc_page(zpdesc));
+		__zpdesc_clear_movable(zpdesc);
 		zpdesc_unlock(zpdesc);
 	}
 	__free_page(zpdesc_page(zpdesc));
@@ -1322,7 +1322,7 @@ static int z3fold_page_migrate(struct page *newpage, struct page *page,
 	 * so we only have to reinitialize it.
 	 */
 	INIT_LIST_HEAD(&new_zhdr->buddy);
-	__ClearPageMovable(zpdesc_page(zpdesc));
+	__zpdesc_clear_movable(zpdesc);
 
 	zpdesc_get(newzpdesc);
 	z3fold_page_lock(new_zhdr);
diff --git a/mm/zpdesc.h b/mm/zpdesc.h
index 44473382f2cc..1319575dc31a 100644
--- a/mm/zpdesc.h
+++ b/mm/zpdesc.h
@@ -79,4 +79,9 @@ static inline void __zpdesc_set_movable(struct zpdesc *zpdesc,
 	__SetPageMovable(zpdesc_page(zpdesc), mops);
 }
 
+static inline void __zpdesc_clear_movable(struct zpdesc *zpdesc)
+{
+	__ClearPageMovable(zpdesc_page(zpdesc));
+}
+
 #endif
-- 
2.43.0