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SubjectRe: High Mem Options
On Wed, 2003-03-05 at 11:28, Reed, Timothy A wrote:
> Hello all,
> Yet another quick there any down side to using the
> 64GB option over the 4GB option if the machine only has 2GB of RAM onboard??
> I would think this would be a performance issue? Does the kernel only use
> the translation table if it has to access any memory location over 4GB?

The 64Gb mode has to use different page table formats, so there is a hit

Alan Cox <>
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