[RFC,V3,10/10] mm/migrate.c: call detach_page_private to cleanup code
diff mbox series

Message ID 20200507214400.15785-11-guoqing.jiang@cloud.ionos.com
State New
Headers show
Series
  • Introduce attach/detach_page_private to cleanup code
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Commit Message

Guoqing Jiang May 7, 2020, 9:44 p.m. UTC
We can cleanup code a little by call detach_page_private here.

Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-mm@kvack.org
Signed-off-by: Guoqing Jiang <guoqing.jiang@cloud.ionos.com>
---
Added since RFC V3.

 mm/migrate.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

Patch
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diff --git a/mm/migrate.c b/mm/migrate.c
index 7160c1556f79..f214adfb3fa4 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -797,10 +797,7 @@  static int __buffer_migrate_page(struct address_space *mapping,
 	if (rc != MIGRATEPAGE_SUCCESS)
 		goto unlock_buffers;
 
-	ClearPagePrivate(page);
-	set_page_private(newpage, page_private(page));
-	set_page_private(page, 0);
-	put_page(page);
+	set_page_private(newpage, detach_page_private(page));
 	get_page(newpage);
 
 	bh = head;