This has been brought up before.. http://lkml.org/lkml/2000/1/21/116
but didnt seem to get resolved.  This morning I got someone
file a bugzilla about it breaking sysctl(8).
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
                .procname       = "flush",
                .data           = &flush_delay,
                .maxlen         = sizeof(int),
-               .mode           = 0644,
+               .mode           = 0200,
                .proc_handler   = &ipv4_sysctl_rtcache_flush,
                .strategy       = &ipv4_sysctl_rtcache_flush_strategy,
        },