diff --git a/include/linux/capability.h b/include/linux/capability.h
index 12d52de..c398cff 100644
--- a/include/linux/capability.h
+++ b/include/linux/capability.h
@@ -360,8 +360,11 @@
 
 #define CAP_WAKE_ALARM            35
 
+/* Allow preventing system suspends while epoll events are pending */
 
-#define CAP_LAST_CAP         CAP_WAKE_ALARM
+#define CAP_EPOLLWAKEUP      36
+
+#define CAP_LAST_CAP         CAP_EPOLLWAKEUP
 
 #define cap_valid(x) ((x) >= 0 && (x) <= CAP_LAST_CAP)