question on e7500 sizeram

Ronald G. Minnich rminnich at lanl.gov
Wed Dec 4 09:55:01 CET 2002


On Wed, 4 Dec 2002, steven james wrote:

> My understanding is that it is used to accomodate PCI memory mappings. The
> layout is regular memory, then PCI devices, APICs and flash, then any
> physical ram above remap_high goes over the 4Gig mark (for PAE).

yea, I read the sense of that remap_high variable backwards: I thought it 
meant "remap high memory to low" but it mean "remap low memory to high". 

Very cool. 

Anybody remember when 32 bits seemed like a lot of memory?

ron




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