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Date: Thu, 12 Aug 2010 21:56:54 +0200
From: Ed Schouten <ed@80386.nl>
To: mdf@FreeBSD.org
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Cc: freebsd-arch@freebsd.org
Subject: Re: RFC: replace vm_offset_t with uintptr_t and vm_size_t with
 size_t
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Hi Matthew,

* mdf@FreeBSD.org <mdf@FreeBSD.org> wrote:
> Looking over the arch-specific definitions, using uintptr_t and size_t
> would not affect the actual width of these sizes.  However, it would
> simplify e.g. conformant printf(9) statements, since there is an
> approved specifier for size_t and, while there isn't one for
> uintptr_t, ptrdiff_t is pretty close (Bruce, is there a better
> specifier)?

Not that I know any architecture we support which does this, but what
happens if userspace has a larger address space than kernelspace? Say,
we ever have some kind of architecture with a 32-bit kernel running
64-bit userspace applications.

--=20
 Ed Schouten <ed@80386.nl>
 WWW: http://80386.nl/

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