diff --git a/arch/s390/include/asm/topology.h b/arch/s390/include/asm/topology.h
index 55de4eb73604..de0a8b17bcaa 100644
--- a/arch/s390/include/asm/topology.h
+++ b/arch/s390/include/asm/topology.h
@@ -51,6 +51,7 @@ const struct cpumask *cpu_coregroup_mask(int cpu);
 static inline void topology_init_early(void) { }
 static inline void topology_schedule_update(void) { }
 static inline int topology_cpu_init(struct cpu *cpu) { return 0; }
+static inline int topology_cpu_dedicated(int cpu_nr) { return 0; }
 static inline void topology_expect_change(void) { }
 
 #endif /* CONFIG_SCHED_TOPOLOGY */
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 092c4154abd7..7ffaf9fd6d19 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -54,6 +54,7 @@
 #include <asm/sigp.h>
 #include <asm/idle.h>
 #include <asm/nmi.h>
+#include <asm/topology.h>
 #include "entry.h"
 
 enum {