diff --git a/[refs] b/[refs]
index 5224c1f54373..0bfb3ce5c1d8 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 87f24c3ac399e82c578e71311251f00618fc5203
+refs/heads/master: ed2c12f323e8fafbc94f9bcfb924f9df36e64dc7
diff --git a/trunk/kernel/sysctl.c b/trunk/kernel/sysctl.c
index e69179b1809c..222299844ad1 100644
--- a/trunk/kernel/sysctl.c
+++ b/trunk/kernel/sysctl.c
@@ -748,7 +748,10 @@ static ctl_table kern_table[] = {
 		.proc_handler	= &proc_dostring,
 		.strategy	= &sysctl_string,
 	},
-
+/*
+ * NOTE: do not add new entries to this table unless you have read
+ * Documentation/sysctl/ctl_unnumbered.txt
+ */
 	{ .ctl_name = 0 }
 };