diff -urN newtree/kernel/sysctl.c newtree.fix/kernel/sysctl.c
--- newtree/kernel/sysctl.c	2006-07-11 20:57:02.000000000 -0400
+++ newtree.fix/kernel/sysctl.c	2006-07-11 20:58:46.000000000 -0400
@@ -701,6 +701,7 @@
 		.mode		= 0444,
 		.proc_handler	= &proc_dointvec,
 	},
+#ifdef CONFIG_STAIRCASE
         {
                 .ctl_name       = KERN_INTERACTIVE,
                 .procname       = "interactive",
@@ -717,6 +718,7 @@
                 .mode           = 0644,
                 .proc_handler   = &proc_dointvec,
         },
+#endif
 #if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86)
 	{
 		.ctl_name       = KERN_UNKNOWN_NMI_PANIC,