diff --git a/kernel/irq_work.c b/kernel/irq_work.c
index c3c46c7..0c56d44 100644
--- a/kernel/irq_work.c
+++ b/kernel/irq_work.c
@@ -5,6 +5,7 @@
  * context. The enqueueing is NMI-safe.
  */
 
+#include <linux/bug.h>
 #include <linux/kernel.h>
 #include <linux/export.h>
 #include <linux/irq_work.h>