Re: [PATCH] export e820 table on x86

["H. Peter Anvin" <hpa@zytor.com>]

Followup to:  <Pine.LNX.4.44.0211211556340.5779-100000@penguin.transmeta.com>
By author:    Linus Torvalds <torvalds@transmeta.com>
In newsgroup: linux.dev.kernel
> 
> See also how we artificially only show 32-bit resources, because "struct
> resource" uses "unsigned long". That's a design mistake, and it _should_
> be "u64" (this actually could cause problems already on 64-bit PCI on
> 32-bit hosts, although it appears that nobody even tries to map devices
> past the 4GB area anyway), but I've never had a test-case for fixing it
> and seeing any difference.
> 

Perhaps an abstract type, like resaddr_t, would make more sense?  That
way we'll have less of an issue when the next category of weird system
architecture comes along, which may want some kind of node-based
addressing, who knows...

	-hpa
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