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Date: Sun, 28 Aug 2005 14:55:03 -0700
From: Andrew Morton <akpm@osdl.org>
To: Kyle Moffett <mrmacman_g4@mac.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Why is kmem_bufctl_t different across platforms?
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Kyle Moffett <mrmacman_g4@mac.com> wrote:
>
> While exploring the asm-*/types.h files, I discovered that the
>  type "kmem_bufctl_t" is differently defined across each platform,
>  sometimes as a short, and sometimes as an int.  The only file
>  where it's used is mm/slab.c, and as far as I can tell, that file
>  doesn't care at all, aside from preferring it to be a small-sized
>  type.

I don't think there's any good reason for this.  -mm's
slab-leak-detector.patch switches them all to unsigned long.