diff --git a/mm/Makefile b/mm/Makefile
index 9aa03fa..f10c753 100644
--- a/mm/Makefile
+++ b/mm/Makefile
@@ -22,3 +22,5 @@
 obj-$(CONFIG_SLAB) += slab.o
 obj-$(CONFIG_MEMORY_HOTPLUG) += memory_hotplug.o
 obj-$(CONFIG_FS_XIP) += filemap_xip.o
+obj-$(CONFIG_MIGRATION) += migrate.o
+