diff -urN 2.2.20pre9/fs/select.c poll-nfds/fs/select.c
--- 2.2.20pre9/fs/select.c	Thu May  4 13:00:40 2000
+++ poll-nfds/fs/select.c	Sat Aug 18 03:17:26 2001
@@ -412,7 +412,7 @@
 	lock_kernel();
 	/* Do a sanity check on nfds ... */
 	err = -EINVAL;
-	if (nfds > current->files->max_fds)
+	if (nfds > current->rlim[RLIMIT_NOFILE].rlim_cur)
 		goto out;
 
 	if (timeout) {