--- zzzz-none-000/linux-5.4.213/net/bridge/Kconfig	2022-09-15 10:04:56.000000000 +0000
+++ miami-7690-761/linux-5.4.213/net/bridge/Kconfig	2024-05-29 11:20:02.000000000 +0000
@@ -61,3 +61,16 @@
 	  Say N to exclude this support and reduce the binary size.
 
 	  If unsure, say Y.
+
+config BRIDGE_DEFAULT_FDB_MAX_LEARNED
+	int "Default FDB learning limit"
+	default 0
+	depends on BRIDGE
+	help
+	  Sets a default limit on the number of learned FDB entries on
+	  new bridges. This limit can be overwritten via netlink on a
+	  per bridge basis.
+
+	  The default of 0 disables the limit.
+
+	  If unsure, say 0.