From: Andrew Morton <akpm@osdl.org>

If sys_sysctl() is not compiled-in, emit a warning.

Cc: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 kernel/sysctl.c |    8 ++++++++
 1 files changed, 8 insertions(+)

diff -puN kernel/sysctl.c~sysctl-allow-proc-sys-without-sys_sysctl-fix kernel/sysctl.c
--- a/kernel/sysctl.c~sysctl-allow-proc-sys-without-sys_sysctl-fix
+++ a/kernel/sysctl.c
@@ -2486,6 +2486,14 @@ int sysctl_ms_jiffies(ctl_table *table, 
 
 asmlinkage long sys_sysctl(struct __sysctl_args __user *args)
 {
+	static int msg_count;
+
+	if (msg_count < 5) {
+		msg_count++;
+		printk(KERN_INFO
+			"warning: process `%s' used the removed sysctl "
+			"system call\n", current->comm);
+	}
 	return -ENOSYS;
 }
 
_