i386: prepare shared mm/discontig.c

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

arch/i386/mm/Makefile

@@ -4,7 +4,7 @@
 
 obj-y	:= init.o pgtable.o fault.o ioremap_32.o extable.o pageattr.o mmap.o
 
-obj-$(CONFIG_NUMA) += discontig.o
+obj-$(CONFIG_NUMA) += discontig_32.o
 obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o
 obj-$(CONFIG_HIGHMEM) += highmem.o
 obj-$(CONFIG_BOOT_IOREMAP) += boot_ioremap_32.o