From: "Randy.Dunlap" <rddunlap@osdl.org>
From: Michael Still <mikal@stillhq.com>

Viro and Andi Kleen agreed.  The <flags> argument isn't used at all and
cannot be used safely in the future.

remove third arg <long flags> from all 3 fs/stat.c stat64() calls since
it's not used and there's no way to use it safely;