diff --git a/[refs] b/[refs]
index 3b1f3e71e4f0..a0b31dd9138e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: eab1eef9911c36966b5d5934e6970581b3316013
+refs/heads/master: 05106e6a54aed321191b4bb5c9ee09538cbad3b1
diff --git a/trunk/mm/Kconfig b/trunk/mm/Kconfig
index 3322342a1ffb..a3f8dddaaab3 100644
--- a/trunk/mm/Kconfig
+++ b/trunk/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