x86: move mp_bus_id_to_local to numa.c

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/pci/numa.c b/arch/x86/pci/numa.c
index 3248d3e..e765558 100644
--- a/arch/x86/pci/numa.c
+++ b/arch/x86/pci/numa.c
@@ -12,6 +12,8 @@
 #define XQUAD_PORTIO_QUAD 0x40000  /* 256k per quad. */
 
 #define BUS2QUAD(global) (mp_bus_id_to_node[global])
+
+int mp_bus_id_to_local[MAX_MP_BUSSES];
 #define BUS2LOCAL(global) (mp_bus_id_to_local[global])
 
 int quad_local_to_mp_bus_id [NR_CPUS/4][4];