1 files changed, 13 insertions, 0 deletions

diff --git a/include/asm-x86/topology.h b/include/asm-x86/topology.h
index 22073268b481..4793ae745a78 100644
--- a/include/asm-x86/topology.h
+++ b/include/asm-x86/topology.h
@@ -198,4 +198,17 @@ extern cpumask_t cpu_coregroup_map(int cpu);
 #define smt_capable()                   (smp_num_siblings > 1)
 #endif
 
+#ifdef CONFIG_NUMA
+extern int get_mp_bus_to_node(int busnum);
+extern void set_mp_bus_to_node(int busnum, int node);
+#else
+static inline int get_mp_bus_to_node(int busnum)
+{
+        return 0;
+}
+static inline void set_mp_bus_to_node(int busnum, int node)
+{
+}
+#endif
+
 #endif