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Date: Wed, 4 Feb 2009 11:57:21 -0800
From: Andrew Morton <akpm@linux-foundation.org>
To: Dean Nelson <dcn@sgi.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] sgi-xp: fix writing past the end of kzalloc()'d space
 (v.2)
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On Wed, 4 Feb 2009 12:36:41 -0600 Dean Nelson <dcn@sgi.com> wrote:

> Note that I'm using 'void *' instead of 'u8 *' to ->define recv_msg_slots.
> Currently they are equivalent in terms of the math, but 'void *' has the
> advantage of not needing to cast at all. Is this an appropriate choice?

I think so.  void* is a nice way of saying "here's a blob of bytes". 
It's a gcc extension to permit arithmetic on a void*, but we use that
one widely.