mm: migrate: drop unused argument of migrate_page_move_mapping()

All callers of migrate_page_move_mapping() now pass NULL for 'head'
argument.  Drop it.

Link: http://lkml.kernel.org/r/20181211172143.7358-7-jack@suse.cz
Signed-off-by: Jan Kara <jack@suse.cz>
Acked-by: Mel Gorman <mgorman@suse.de>
Cc: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/aio.c b/fs/aio.c
index aac9659381d2..bc401d5bcdc2 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -409,7 +409,7 @@ static int aio_migratepage(struct address_space *mapping, struct page *new,
 	BUG_ON(PageWriteback(old));
 	get_page(new);
 
-	rc = migrate_page_move_mapping(mapping, new, old, NULL, mode, 1);
+	rc = migrate_page_move_mapping(mapping, new, old, mode, 1);
 	if (rc != MIGRATEPAGE_SUCCESS) {
 		put_page(new);
 		goto out_unlock;