On Sat, 30 Sep 2000, Andrea Arcangeli wrote:
> The allocator also mandatory needs part of classzone to be able
> to make decent decisions. (putting the memory of different NUMA
> nodes internally to a pgdat_t as different zones as it's been
> proposed in linux-mm is a broken hack that can't work right)
Ummmmm. Last I saw the idea was to simply have the fallback
zonelist for allocations extend into other pgdats ... ;)
> Infact saying that classzone have problems with NUMA looks silly
> to me as it's the other way around as far I can see.
Both the current code and classzone will need some adjustments
to work fine (as in: reasonably efficient) with NUMA.
If the classzone idea can be extended to NUMA with more
readable (== maintainable) code than the standard zoned
allocator, I'm all for having it integrated...
(I'm not sure if classzone will have many benefits in
"normal" setups, but with NUMA I can see the idea giving
a lot more performance benefits)
regards,
Rik
--
"What you're running that piece of shit Gnome?!?!"
-- Miguel de Icaza, UKUUG 2000
http://www.conectiva.com/ http://www.surriel.com/
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