diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 1bead2c672728665bae65f5bec686d234ae4b978..314d19ab9385e038a4f38c18a50364da4873eb86 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -1198,7 +1198,7 @@ static long vphn_get_associativity(unsigned long cpu,
 	return rc;
 }
 
-static inline int find_and_online_cpu_nid(int cpu)
+int find_and_online_cpu_nid(int cpu)
 {
 	__be32 associativity[VPHN_ASSOC_BUFSIZE] = {0};
 	int new_nid;
@@ -1229,6 +1229,8 @@ static inline int find_and_online_cpu_nid(int cpu)
 #endif
 	}
 
+	pr_debug("%s:%d cpu %d nid %d\n", __FUNCTION__, __LINE__,
+		cpu, new_nid);
 	return new_nid;
 }
 
diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index a7d14aa7bb7c5c2d67fdd0e522d271f71f05a738..dceb51454d8d212a5cbc78ef891322bddf499800 100644
--- a/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -340,6 +340,8 @@ static void pseries_remove_processor(struct device_node *np)
 	cpu_maps_update_done();
 }
 
+extern int find_and_online_cpu_nid(int cpu);
+
 static int dlpar_online_cpu(struct device_node *dn)
 {
 	int rc = 0;
@@ -364,6 +366,7 @@ static int dlpar_online_cpu(struct device_node *dn)
 					!= CPU_STATE_OFFLINE);
 			cpu_maps_update_done();
 			timed_topology_update(1);
+			find_and_online_cpu_nid(cpu);
 			rc = device_online(get_cpu_device(cpu));
 			if (rc)
 				goto out;