diff --git a/mm/Kconfig b/mm/Kconfig
index 3322342a1ffb0796708e2045571472235e502927..a3f8dddaaab3f08de3bc6c63921be614bbae6736 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -191,6 +191,7 @@ config SPLIT_PTLOCK_CPUS
 # support for memory compaction
 config COMPACTION
 	bool "Allow for memory compaction"
+	def_bool y
 	select MIGRATION
 	depends on MMU
 	help