Messages in this thread | | | Date | Wed, 29 Jan 2003 16:52:48 +0000 | From | Dave Jones <> | Subject | Re: no more MTRRs available ? |
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On Wed, Jan 29, 2003 at 04:14:46PM +0000, Dave Jones wrote:
> > # cat /proc/mtrr > > reg00: base=0x00000000 ( 0MB), size=2048MB: write-back, count=1 > > reg01: base=0x80000000 (2048MB), size=1024MB: write-back, count=1 > > reg02: base=0xc0000000 (3072MB), size= 512MB: write-back, count=1 > > reg03: base=0xe0000000 (3584MB), size= 256MB: write-back, count=1 > > reg04: base=0xf0000000 (3840MB), size= 128MB: write-back, count=1 > > reg05: base=0xf7000000 (3952MB), size= 16MB: uncachable, count=1 > Due to this 16MB hole, your BIOS has to set up a write-back range > covering 2048-16 (2032MB).
Dummies guide to maths. This should be 4096-16=4080 of course
Dave
-- | Dave Jones. http://www.codemonkey.org.uk | SuSE Labs - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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