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On Thu, 10 Jan 2008, venkatesh.pallipadi@intel.com wrote: > > x86_64: Map only usable memory in identity map. All reserved memory maps to a > zero page. I don't mind this horribly per se, but why a zero page? Accessing that page without mapping it explicitly would be a bug with your change - if only because you'd get the wrong value! So why map it at all? The only thing mapping it can do is to hide bugs. Linus | ||||||||||||
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