diff --git a/include/linux/stop_machine.h b/include/linux/stop_machine.h
index 63ea9aff368f0daee3f876f20e8a90f6c0fef9ba..08ec8e2fd9b2d623ddd9f0c8ba6f075c6bdaa88e 100644
--- a/include/linux/stop_machine.h
+++ b/include/linux/stop_machine.h
@@ -6,6 +6,7 @@
 #include <linux/cpumask.h>
 #include <linux/smp.h>
 #include <linux/list.h>
+#include <linux/kabi.h>
 
 /*
  * stop_cpu[s]() is simplistic per-cpu maximum priority cpu
@@ -26,6 +27,7 @@ struct cpu_stop_work {
 	cpu_stop_fn_t		fn;
 	void			*arg;
 	struct cpu_stop_done	*done;
+	KABI_RESERVE(1)
 };
 
 int stop_one_cpu(unsigned int cpu, cpu_stop_fn_t fn, void *arg);