Re: [patch] mspec - special memory driver and do_no_pfn handler

From: Benjamin Herrenschmidt <benh_at_kernel.crashing.org>
Date: 2006-03-17 15:58:09
> Quite frankly, I don't think nopfn() is a good interface. It's only usable 
> for one single thing, so trying to claim that it's a generic VM op is 
> really not valid. If (and that's a big if) we need this interface, we 
> should just do it inside mm/memory.c instead of playing games as if it was 
> generic.

Or just use sparsemem and create struct pages for your hw :) we do that
for SPUs on Cell, works like a charm.

Ben.


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Received on Fri Mar 17 15:59:23 2006

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