--- zzzz-none-000/linux-4.4.60/drivers/block/zram/zram_drv.h	2017-04-08 07:53:53.000000000 +0000
+++ hawkeye-5590-729/linux-4.4.60/drivers/block/zram/zram_drv.h	2022-03-30 14:21:52.000000000 +0000
@@ -118,5 +118,8 @@
 	 * zram is claimed so open request will be failed
 	 */
 	bool claim; /* Protected by bdev->bd_mutex */
+
+	/* Used to add useful information to the oom info */
+	struct notifier_block oom_info_block;
 };
 #endif