[PATCH] ppc64: Fix NUMA build

We were missing an include of the new nodemask.h and NUMA enabled builds
broke.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/ppc64/mm/init.c

@@ -37,6 +37,7 @@
 #include <linux/bootmem.h>
 #include <linux/highmem.h>
 #include <linux/idr.h>
+#include <linux/nodemask.h>
 
 #include <asm/pgalloc.h>
 #include <asm/page.h>