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SubjectRe: 2GB memory limit on Alpha?
Yes, the standard kernel can only use 2Gig, however there is a patch
that will allow up to 2TB, provided your motherboard can support that.

ftp://ftp.us.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.2/
(or
ftp://ftp.de.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.2/)

--rdp

"Dr. Michael Weller" wrote:
>
> Hi people,
>
> I'm surprised there is a hard 2GB phys memory limit on Alpha although it
> seems the kernel (2.2.9 btw) uses 64bit pointers..
>
> Is the test in arch/alpha/kernel/setup.c only a safety measure and I could
> safely remove it or are there architecture reasons for it (like the
> phys + virt/proc = 4GB for x86)? I thought there won't be such oddities
> on a 64bit system.
>
> If some internal 32bit/paging table issue is the culprit here, would the
> high mem patch for decent x86 kernels address this problem too?
> (Currently 4GB phys on Alpha would suffice for me).
>
> Any advice/comment is highly appreciated,
> Michael.
>
> --
>
> Michael Weller: eowmob@exp-math.uni-essen.de, eowmob@ms.exp-math.uni-essen.de,
> or even mat42b@spi.power.uni-essen.de. If you encounter an eowmob account on
> any machine in the net, it's very likely it's me.
>
> -
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--
Rich Payne rich.payne@alpha-processor.com
Alpha Processor Inc. www.alpha-processor.com

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