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SubjectRe: Bug: Discontigmem virt_to_page() [Alpha,ARM,Mips64?]
On Thu, May 02, 2002 at 08:18:33AM -0700, Martin J. Bligh wrote:
> > alpha is the same as mips I think. sparc would be the same too if
> > there's any discontigmem sparc. Dunno of arm. We're talking about
> > architectures needing discontigmem, 99% percent of users doesn't need
> > discontigmem in the first place, you never need discontigmem in x86 and
>
> That's not true. We use discontigmem on the NUMA-Q boxes for NUMA support.
> In some memory models, they're also really discontigous memory machines.

With numa-q there's a 512M hole in each node IIRC. that's fine
configuration, similar to the wildfire btw.

> At the moment I use the contig memory model (so we only use discontig for
> NUMA support) but I may need to change that in the future.

I wasn't thinking at numa-q, but regardless numa-Q fits perfectly into
the current discontigmem-numa model too as far I can see.

Andrea
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