diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 613917bbc4e733..332361cf215fc7 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -1531,7 +1531,8 @@ static void __queue_work(int cpu, struct workqueue_struct *wq,
  * @work: work to queue
  *
  * We queue the work to a specific CPU, the caller must ensure it
- * can't go away.
+ * can't go away.  Callers that fail to ensure that the specified
+ * CPU cannot go away will execute on a randomly chosen CPU.
  *
  * Return: %false if @work was already on a queue, %true otherwise.
  */