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From: Christoph Lameter <clameter@sgi.com>
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To: Nick Piggin <nickpiggin@yahoo.com.au>
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Subject: Re: [00/17] Large Blocksize Support V3
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On Fri, 27 Apr 2007, Nick Piggin wrote:

> Linus's favourite jokes about powerpc mmu being crippled forever, aside ;)
> 
> This seems like just speculation. I would not be against something which,
> without, would "cripple" some relevant hardware, but you are just handwaving
> at this point. And you are still ignoring the alternatives.

This crippling also applies to IA64. The crippling is a concern of 
multiple arches and its effects have been well documented. Talk to Peter 
Chubb for example. The requirement is to be able to do I/O to large 
contiguous sections of memory. Your proposals are ignoring the 
requirements.