Messages in this thread | | | Date | Thu, 12 Mar 2009 06:32:30 -0600 | From | Matthew Wilcox <> | Subject | Re: [Tux3] Tux3 report: Tux3 Git tree available |
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On Thu, Mar 12, 2009 at 05:24:33AM -0700, Daniel Phillips wrote: > On Thursday 12 March 2009, Nick Piggin wrote: > > That's interesting. Do you handle 1K block sizes with 64K page size? :) > > Not in its current incarnation. That would require 32 bytes worth of > state while the current code just has a 4 byte map (4 bits X 8 blocks). > I suppose a reasonable way to extend it would be 4 x 8 byte maps. Has > somebody spotted a 64K page?
I believe SGI ship their ia64 kernels configured this way. Certainly 16k ia64 kernels are common, which would (if I understand your scheme correctly) be 8 bytes worth of state in your scheme.
-- Matthew Wilcox Intel Open Source Technology Centre "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step."
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