1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 1695054e8c63..44657197fcb0 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -161,6 +161,7 @@ struct irq_desc {
         unsigned int            wake_depth;     /* nested wake enables */
         unsigned int            irq_count;      /* For detecting broken IRQs */
         unsigned int            irqs_unhandled;
+        unsigned long           last_unhandled; /* Aging timer for unhandled count */
         spinlock_t              lock;
 #ifdef CONFIG_SMP
         cpumask_t               affinity;