1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/mnt_namespace.h b/include/linux/mnt_namespace.h
index 1fa4d9813b31..8eed44f8ca73 100644
--- a/include/linux/mnt_namespace.h
+++ b/include/linux/mnt_namespace.h
@@ -14,7 +14,7 @@ struct mnt_namespace {
         int event;
 };
 
-extern struct mnt_namespace *copy_mnt_ns(int, struct mnt_namespace *,
+extern struct mnt_namespace *copy_mnt_ns(unsigned long, struct mnt_namespace *,
                 struct fs_struct *);
 extern void __put_mnt_ns(struct mnt_namespace *ns);