We can cleanup code a little by call detach_page_private here.
Cc: Andrew Morton <[email protected]>
Cc: [email protected]
Signed-off-by: Guoqing Jiang <[email protected]>
---
Added since RFC V3.
mm/migrate.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
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;
--
2.17.1
