diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c
index 0058f33d05c1..a4f629da3011 100644
--- a/kernel/tracepoint.c
+++ b/kernel/tracepoint.c
@@ -376,6 +376,7 @@ tracepoint_add_probe(const char *name, void *probe, void *data)
  * tracepoint_probe_register -  Connect a probe to a tracepoint
  * @name: tracepoint name
  * @probe: probe handler
+ * @data: probe private data
  *
  * Returns 0 if ok, error value on error.
  * The probe address must at least be aligned on the architecture pointer size.
@@ -424,6 +425,7 @@ tracepoint_remove_probe(const char *name, void *probe, void *data)
  * tracepoint_probe_unregister -  Disconnect a probe from a tracepoint
  * @name: tracepoint name
  * @probe: probe function pointer
+ * @data: probe private data
  *
  * We do not need to call a synchronize_sched to make sure the probes have
  * finished running before doing a module unload, because the module unload
@@ -464,6 +466,7 @@ static void tracepoint_add_old_probes(void *old)
  * tracepoint_probe_register_noupdate -  register a probe but not connect
  * @name: tracepoint name
  * @probe: probe handler
+ * @data: probe private data
  *
  * caller must call tracepoint_probe_update_all()
  */
@@ -488,6 +491,7 @@ EXPORT_SYMBOL_GPL(tracepoint_probe_register_noupdate);
  * tracepoint_probe_unregister_noupdate -  remove a probe but not disconnect
  * @name: tracepoint name
  * @probe: probe function pointer
+ * @data: probe private data
  *
  * caller must call tracepoint_probe_update_all()
  */