diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index b773361892c9..253346d7b316 100644
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -303,6 +303,10 @@ config NODES_SHIFT
 config ARCH_FLATMEM_ENABLE
 	def_bool y
 
+config MAX_ACTIVE_REGIONS
+	int
+	default "1"
+
 config ARCH_POPULATES_NODE_MAP
 	def_bool y