--- zzzz-none-000/linux-4.4.271/drivers/block/zram/zram_drv.h	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/drivers/block/zram/zram_drv.h	2023-04-19 10:22:28.000000000 +0000
@@ -117,5 +117,8 @@
 	 * 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