diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index df338fb4eaea..b0173c633027 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -776,6 +776,7 @@ struct blk_mq_tags {
 	 * request pool
 	 */
 	spinlock_t lock;
+	ANDROID_OEM_DATA(1);
 };
 
 static inline struct request *blk_mq_tag_to_rq(struct blk_mq_tags *tags,