--- signal.c.0	Mon Feb 28 10:56:41 2000
+++ signal.c	Mon Feb 28 10:57:40 2000
@@ -39,6 +39,8 @@
 				  sizeof(struct signal_queue),
 				  __alignof__(struct signal_queue),
 				  SIG_SLAB_DEBUG, NULL, NULL);
+	if (!signal_queue_cachep)
+		panic("Can't create signal_queue SLAB cache\n");
 }