diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index 26cc1df..fc6e221 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -442,6 +442,7 @@
 int execute_in_process_context(work_func_t fn, struct execute_work *);
 
 extern bool flush_work(struct work_struct *work);
+extern bool cancel_work(struct work_struct *work);
 extern bool cancel_work_sync(struct work_struct *work);
 
 extern bool flush_delayed_work(struct delayed_work *dwork);