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Date: Mon, 3 Apr 2006 02:27:01 -0700
From: Andrew Morton <akpm@osdl.org>
To: Keith Owens <kaos@sgi.com>
Cc: mitch@sfgoth.com, linux-kernel@vger.kernel.org
Subject: Re: 2.6.17-rc1 core_sys_select incompatible pointer types
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Keith Owens <kaos@sgi.com> wrote:
>
>  When did arithmetic on void pointers become acceptable?  I know that it
>  is a gcc extension but AFAIK its use is discouraged.  Or am I in the
>  wrong parallel universe again?

Yes, it's a gccism, but we actually use it rather a lot here and there. 
It's quite useful for avoiding casting.