x86_64: prepare shared mm/srat.c

Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
Signed-off-by: NIngo Molnar <mingo@elte.hu>

arch/x86_64/mm/Makefile

@@ -6,6 +6,6 @@ obj-y	 := init.o fault.o ioremap.o extable.o pageattr.o mmap.o
 obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o
 obj-$(CONFIG_NUMA) += numa.o
 obj-$(CONFIG_K8_NUMA) += k8topology.o
-obj-$(CONFIG_ACPI_NUMA) += srat.o
+obj-$(CONFIG_ACPI_NUMA) += srat_64.o
 
 hugetlbpage-y = ../../i386/mm/hugetlbpage.o