diff --git a/include/linux/haven/hh_mem_notifier.h b/include/linux/haven/hh_mem_notifier.h
index ed5a81355ae4..e3a05f17acf7 100644
--- a/include/linux/haven/hh_mem_notifier.h
+++ b/include/linux/haven/hh_mem_notifier.h
@@ -13,6 +13,7 @@
 #include <linux/types.h>
 
 enum hh_mem_notifier_tag {
+	HH_MEM_NOTIFIER_TAG_DISPLAY,
 	HH_MEM_NOTIFIER_TAG_MAX
 };