Messages in this thread |  | | | Subject | Re: [PATCH] x86_64: Make NR_IRQS configurable in Kconfig | | From | Martin Schwidefsky <> | | Date | Thu, 10 Aug 2006 16:53:48 +0200 |
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On Thu, 2006-08-10 at 15:40 +0100, Andy Whitcroft wrote: > Well you could do something more fun with the top of the address. You > don't need to keep the bytes in the same order for instance. If this > is really a fair size chunk at the bottom and one at the top then > taking the address and swapping the bytes like: > > ABCDEFGH => BCDAEFGH > > Would be a pretty trivial bit of register wibbling (ie very quick), > but would probabally mean a single flat, smaller sparsemem table would > cover all likely areas.
Not if you don't know where the objects will be mapped..
-- blue skies, Martin.
Martin Schwidefsky Linux for zSeries Development & Services IBM Deutschland Entwicklung GmbH
"Reality continues to ruin my life." - Calvin.
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