Re: MTRR & NVTNT

Alan Cox (alan@lxorguk.ukuu.org.uk)
Sun, 14 Mar 1999 00:56:04 +0000 (GMT)

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Previous message: Andrea Arcangeli: "Re: [patch] kstat change to see how much Linux SMP really scale well"
In reply to: Andrea Arcangeli: "Re: [patch] kstat change to see how much Linux SMP really scale well"

> What do you mean "the right thing"? If you have a FB which requires an
> embedded uncachable region, you need two MTRRs. So the function will
> allocate two. If you don't have two left, bad luck, you get an error
> return.
> What else can you do? Buy a better CPU :->

Prioritize actually allocations

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Previous message: Andrea Arcangeli: "Re: [patch] kstat change to see how much Linux SMP really scale well"
In reply to: Andrea Arcangeli: "Re: [patch] kstat change to see how much Linux SMP really scale well"