diff --git a/include/linux/compat.h b/include/linux/compat.h
index 80b17f4..ccd863d 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -234,5 +234,24 @@
 		compat_ulong_t maxnode, const compat_ulong_t __user *old_nodes,
 		const compat_ulong_t __user *new_nodes);
 
+/*
+ * epoll (fs/eventpoll.c) compat bits follow ...
+ */
+#ifndef CONFIG_HAS_COMPAT_EPOLL_EVENT
+struct epoll_event;
+#define compat_epoll_event	epoll_event
+#else
+asmlinkage long compat_sys_epoll_ctl(int epfd, int op, int fd,
+			struct compat_epoll_event __user *event);
+asmlinkage long compat_sys_epoll_wait(int epfd,
+			struct compat_epoll_event __user *events,
+			int maxevents, int timeout);
+#endif
+asmlinkage long compat_sys_epoll_pwait(int epfd,
+			struct compat_epoll_event __user *events,
+			int maxevents, int timeout,
+			const compat_sigset_t __user *sigmask,
+			compat_size_t sigsetsize);
+
 #endif /* CONFIG_COMPAT */
 #endif /* _LINUX_COMPAT_H */