1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index c444654fc33f..8c5943de9fd0 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -369,7 +369,7 @@ static const struct address_space_operations virtio_balloon_aops;
  * This function preforms the balloon page migration task.
  * Called through balloon_mapping->a_ops->migratepage
  */
-int virtballoon_migratepage(struct address_space *mapping,
+static int virtballoon_migratepage(struct address_space *mapping,
                 struct page *newpage, struct page *page, enum migrate_mode mode)
 {
         struct balloon_dev_info *vb_dev_info = balloon_page_device(page);