Greetings, 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). G'day, sjames On Tue, 3 Dec 2002, Ronald G. Minnich wrote:
freebios/src/northbridge/intel/E7500/northbridge.c
In this file there is a variable called remap_high. I assume the function of this is to remap the high memory (512MB) so it is contiguous with the low 512MB.
Even when remap_high is true, on -current, I end up with two 512MB segemnts, one at 0 and one at 4 GB.
Anybody have any idea as to why this would happen? It's confusing 2.4.19 from what I can see.
ron
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