diff --git a/core/java/com/android/internal/config/sysui/SystemUiSystemPropertiesFlags.java b/core/java/com/android/internal/config/sysui/SystemUiSystemPropertiesFlags.java
index c9e76009136ab..6b8ae946e68ca 100644
--- a/core/java/com/android/internal/config/sysui/SystemUiSystemPropertiesFlags.java
+++ b/core/java/com/android/internal/config/sysui/SystemUiSystemPropertiesFlags.java
@@ -85,6 +85,10 @@ public class SystemUiSystemPropertiesFlags {
         /** Gating the holding of WakeLocks until NLSes are told about a new notification. */
         public static final Flag WAKE_LOCK_FOR_POSTING_NOTIFICATION =
                 devFlag("persist.sysui.notification.wake_lock_for_posting_notification");
+
+        /** Gating storing NotificationRankingUpdate ranking map in shared memory. */
+        public static final Flag RANKING_UPDATE_ASHMEM = devFlag(
+                "persist.sysui.notification.ranking_update_ashmem");
     }
 
     //// == End of flags.  Everything below this line is the implementation. == ////