diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 2c0e658..f1a4eb1 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -73,6 +73,7 @@
 extern int pid_max_min, pid_max_max;
 extern int sysctl_drop_caches;
 extern int percpu_pagelist_fraction;
+extern int compat_log;
 
 #if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86)
 int unknown_nmi_panic;
@@ -677,6 +678,16 @@
 		.proc_handler	= &proc_dointvec,
 	},
 #endif
+#ifdef CONFIG_COMPAT
+	{
+		.ctl_name	= KERN_COMPAT_LOG,
+		.procname	= "compat-log",
+		.data		= &compat_log,
+		.maxlen		= sizeof (int),
+	 	.mode		= 0644,
+		.proc_handler	= &proc_dointvec,
+	},
+#endif
 	{ .ctl_name = 0 }
 };