diff --git a/init/main.c b/init/main.c
index 8646401..261ad7b 100644
--- a/init/main.c
+++ b/init/main.c
@@ -882,6 +882,7 @@
 	smp_prepare_cpus(setup_max_cpus);
 
 	do_pre_smp_initcalls();
+	lockup_detector_init();
 
 	smp_init();
 	sched_init_smp();