diff --git a/arch/x86_64/mm/Makefile b/arch/x86_64/mm/Makefile
index c400b19837856b449af917fc540227591b2f41f6..1e2ccf009d4c399f780087ecd08228a633f9abbb 100644
--- a/arch/x86_64/mm/Makefile
+++ b/arch/x86_64/mm/Makefile
@@ -2,7 +2,7 @@
 # Makefile for the linux x86_64-specific parts of the memory manager.
 #
 
-obj-y	 := init.o fault.o ioremap_64.o extable.o pageattr.o mmap.o
+obj-y	 := init_64.o fault.o ioremap_64.o extable.o pageattr.o mmap.o
 obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o
 obj-$(CONFIG_NUMA) += numa.o
 obj-$(CONFIG_K8_NUMA) += k8topology.o
diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init_64.c
similarity index 100%
rename from arch/x86_64/mm/init.c
rename to arch/x86_64/mm/init_64.c