diff --git a/kernel/sched.c b/kernel/sched.c
index b646dad..3925a1b 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -2595,7 +2595,9 @@
 	/* Want to start with kernel preemption disabled. */
 	task_thread_info(p)->preempt_count = 1;
 #endif
+#ifdef CONFIG_SMP
 	plist_node_init(&p->pushable_tasks, MAX_PRIO);
+#endif
 
 	put_cpu();
 }