diff --git a/lib/plist.c b/lib/plist.c
index 6ab0e521c48..1ebc95f7a46 100644
--- a/lib/plist.c
+++ b/lib/plist.c
@@ -175,7 +175,7 @@ static int  __init plist_test(void)
 	int nr_expect = 0, i, loop;
 	unsigned int r = local_clock();
 
-	printk(KERN_INFO "start plist test\n");
+	pr_debug("start plist test\n");
 	plist_head_init(&test_head);
 	for (i = 0; i < ARRAY_SIZE(test_node); i++)
 		plist_node_init(test_node + i, 0);
@@ -203,7 +203,7 @@ static int  __init plist_test(void)
 		plist_test_check(nr_expect);
 	}
 
-	printk(KERN_INFO "end plist test\n");
+	pr_debug("end plist test\n");
 	return 0;
 }