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-rw-r--r--kernel/rcu/tree.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h
index 3eeb919e26a2..60fb0eaa2d16 100644
--- a/kernel/rcu/tree.h
+++ b/kernel/rcu/tree.h
@@ -177,6 +177,9 @@ struct rcu_node {
/* to carry out the boosting is fully */
/* released with no future boostee accesses */
/* before that rt_mutex is re-initialized. */
+ struct rt_mutex boost_mtx;
+ /* Used only for the priority-boosting */
+ /* side effect, not as a lock. */
unsigned long boost_time;
/* When to start boosting (jiffies). */
struct task_struct *boost_kthread_task;