1 files changed, 1 insertions, 0 deletions

diff --git a/kernel/sched.c b/kernel/sched.c
index 94fa333c1e7c..f2be61870030 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -8018,6 +8018,7 @@ void __init sched_init_smp(void)
         free_cpumask_var(non_isolated_cpus);
 
         alloc_cpumask_var(&fallback_doms, GFP_KERNEL);
+        init_sched_rt_class();
 }
 #else
 void __init sched_init_smp(void)