diff --git a/include/linux/backing-dev-defs.h b/include/linux/backing-dev-defs.h
index 2ad261082bba..0b7a49970b59 100644
--- a/include/linux/backing-dev-defs.h
+++ b/include/linux/backing-dev-defs.h
@@ -158,6 +158,7 @@ struct bdi_writeback {
 		struct rcu_head rcu;
 	};
 #endif
+	ANDROID_OEM_DATA_ARRAY(1, 2);
 };
 
 struct backing_dev_info {