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Date: Wed, 28 Dec 2011 01:42:50 -0800
From: Andrew Morton <akpm@linux-foundation.org>
To: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: linux-kernel@vger.kernel.org, Pavel Emelyanov <xemul@parallels.com>,
        Glauber Costa <glommer@parallels.com>,
        Andi Kleen <andi@firstfloor.org>, Tejun Heo <tj@kernel.org>,
        Matt Helsley <matthltc@us.ibm.com>, Pekka Enberg <penberg@kernel.org>,
        Eric Dumazet <eric.dumazet@gmail.com>,
        Vasiliy Kulikov <segoon@openwall.com>,
        Alexey Dobriyan <adobriyan@gmail.com>
Subject: Re: [patch 1/4] Add routine for generating an ID for kernel pointer
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On Wed, 28 Dec 2011 11:42:14 +0400 Cyrill Gorcunov <gorcunov@gmail.com> wrote:

> Maybe we could simply extend prctl then?

I'd suggest a syscall.  prctl is a big crap bucket and this thing has
simple, well defined semantics.  syscalls are cheap.