On Tue, 5 Jun 2007, Andi Kleen wrote:
So the only safe thing we can do is not use memory that is not
write-back cached. That we can positively detect and is a
conservative action so if anything will work that will.
Jesse wrote such a patch (or rather it limitted end_pfn), but it broke
the X server for so far unknown reasons.
-Andi
So the best solution is for a patch/function that calculates the E820
memory map subtracts the non-cached memory and does the equivilant of
append= in LILO config with the proper amount of memory?
Justin.
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