Re: [00/17] Large Blocksize Support V3

From: Christoph Lameter
Date: Fri Apr 27 2007 - 12:48:42 EST

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
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