diff -ur linux-2.5.46.orig/fs/eventpoll.c linux-2.5.46/fs/eventpoll.c
--- linux-2.5.46.orig/fs/eventpoll.c	Thu Nov  7 14:31:21 2002
+++ linux-2.5.46/fs/eventpoll.c	Thu Nov  7 14:32:16 2002
@@ -838,8 +838,13 @@
 	list_add(&dpi->llink, ep_hash_entry(ep, ep_hash_index(ep, tfile)));
 
 	/* If the file is already "ready" we drop it inside the ready list */
-	if ((revents & pfd->events) && !EP_IS_LINKED(&dpi->rdllink))
+	if ((revents & pfd->events) && !EP_IS_LINKED(&dpi->rdllink)) {
 		list_add(&dpi->rdllink, &ep->rdllist);
+		if (waitqueue_active(&ep->wq))
+			wake_up(&ep->wq);
+		if (waitqueue_active(&ep->poll_wait))
+			wake_up(&ep->poll_wait);
+	}
 
 	write_unlock_irqrestore(&ep->lock, flags);