Re: NUMA policy issues with ZONE_MOVABLE

Nick Piggin
2007-07-25T06:09:38Z

Christoph Lameter wrote:
> On Wed, 25 Jul 2007, Nick Piggin wrote:
>
>
>>>Highmem is only used on i386 NUMA and works fine on NUMAQ. The current zone
>>>types are carefully fitted to existing NUMA systems.
>>
>>I don't understand what you mean. Aren't mempolicies also supposed to
>>work on NUMAQ too? How about DMA and DMA32 allocations?
>
>
> Memory policies work on NUMAQ. Please read up on memory policies.

Because the first 1GB will be on one node? Ok, maybe that happens
to work in an ugly sort of way. How about DMA32 then?

Do you disagree that mempolices should be made to work better with
multiple zones?

--
SUSE Labs, Novell Inc.