We can cleanup code a little by call detach_page_private here. Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Cc: linux-mm@xxxxxxxxx Signed-off-by: Guoqing Jiang <guoqing.jiang@xxxxxxxxxxxxxxx> --- 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
