diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index 599ba79..2f6994f 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -109,6 +109,6 @@
  */
 extern rwlock_t vmlist_lock;
 extern struct vm_struct *vmlist;
-extern __init void vm_area_register_early(struct vm_struct *vm);
+extern __init void vm_area_register_early(struct vm_struct *vm, size_t align);
 
 #endif /* _LINUX_VMALLOC_H */