1 files changed, 1 insertions, 0 deletions

diff --git a/include/litmus/prioq_lock.h b/include/litmus/prioq_lock.h
index 5c135ef0bdc6..1b0a591ef1a6 100644
--- a/include/litmus/prioq_lock.h
+++ b/include/litmus/prioq_lock.h
@@ -34,6 +34,7 @@ static inline struct prioq_mutex* prioq_mutex_from_lock(struct litmus_lock* lock
 int prioq_mutex_is_owner(struct litmus_lock *l, struct task_struct *t);
 struct task_struct* prioq_mutex_get_owner(struct litmus_lock *l);
 int prioq_mutex_dgl_lock(struct litmus_lock *l, dgl_wait_state_t* dgl_wait, wait_queue_t* wq_node);
+int prioq_mutex_dgl_unlock(struct litmus_lock *l);
 void prioq_mutex_enable_priority(struct litmus_lock *l, dgl_wait_state_t* dgl_wait);
 void prioq_mutex_dgl_quick_lock(struct litmus_lock *l, struct litmus_lock *cur_lock,
                                                                 struct task_struct* t, wait_queue_t *q);