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-rw-r--r--kernel/locking/mutex.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/locking/mutex.c b/kernel/locking/mutex.c
index d973fe6041..2deeeca3e7 100644
--- a/kernel/locking/mutex.c
+++ b/kernel/locking/mutex.c
@@ -1126,6 +1126,9 @@ EXPORT_SYMBOL(ww_mutex_lock_interruptible);
#endif /* !CONFIG_DEBUG_LOCK_ALLOC */
#endif /* !CONFIG_PREEMPT_RT */
+EXPORT_TRACEPOINT_SYMBOL_GPL(contention_begin);
+EXPORT_TRACEPOINT_SYMBOL_GPL(contention_end);
+
/**
* atomic_dec_and_mutex_lock - return holding mutex if we dec to 0
* @cnt: the atomic which we are to dec