1 files changed, 1 insertions, 2 deletions

diff --git a/kernel/fork.c b/kernel/fork.c
index 2ccbbbfcb7b8..6f1b0af00bda 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1462,8 +1462,7 @@ static void rt_mutex_init_task(struct task_struct *p)
 {
         raw_spin_lock_init(&p->pi_lock);
 #ifdef CONFIG_RT_MUTEXES
-        p->pi_waiters = RB_ROOT;
-        p->pi_waiters_leftmost = NULL;
+        p->pi_waiters = RB_ROOT_CACHED;
         p->pi_top_task = NULL;
         p->pi_blocked_on = NULL;
 #endif