diff --git a/kernel/kthread.c b/kernel/kthread.c
index ef48322..10e489c 100644
--- a/kernel/kthread.c
+++ b/kernel/kthread.c
@@ -369,7 +369,7 @@
 {
 	struct task_struct *p;
 
-	p = kthread_create_on_node(threadfn, data, cpu_to_mem(cpu), namefmt,
+	p = kthread_create_on_node(threadfn, data, cpu_to_node(cpu), namefmt,
 				   cpu);
 	if (IS_ERR(p))
 		return p;