Messages in this thread | ![/](/images/icornerl.gif) | | Date | Tue, 15 Jul 2003 19:22:53 +0100 | From | Dave Jones <> | Subject | Re: [patch] vesafb fix |
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On Tue, Jul 15, 2003 at 07:06:41PM +0100, Alan Cox wrote:
> Not all the MTRR using chips use PAT - but its certainly a start. Sure.
> The > base algorithm for allocating MTRRs as efficiently as sanely possible > is already in the kernel btw - or pretty close to it - its used by > the Winchip code to cover RAM with out of order store.
Does that support wierdo cases like Jamie's though? I can't see how you can cover an not-a-powerof2 size area of memory without doing too little/too much. The winchip code was written with RAM in mind, which is always a power of 2 unless you boot with mem=fooMB
Dave
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