--- src/sys/netinet/ip_flow.c	2008/04/03 13:43:29	1.12
+++ src/sys/netinet/ip_flow.c	2008/04/03 16:02:32	1.13
@@ -314,7 +314,11 @@ ipflow_timo_ipi(void *arg __unused)
 void
 ipflow_slowtimo(void)
 {
+#ifdef SMP
 	lwkt_send_ipiq_mask(smp_active_mask, ipflow_timo_ipi, NULL);
+#else
+	ipflow_timo_ipi(NULL);
+#endif
 }
 
 static void