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SubjectRe: [PATCH v3] mm: make expand_downwards symmetrical to expand_upwards
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On Thu, 2011-04-21 at 14:19 -0700, David Rientjes wrote:
> On Thu, 21 Apr 2011, Christoph Lameter wrote:
>
> > In 32 bit configurations some architectures (like x86) provide nodes
> > that have only high memory. Slab allocators only handle normal memory.
> > SLAB operates in a kind of degraded mode in that case by falling back for
> > each allocation to the nodes that have normal memory.
> >
>
> Let's do this:
>
> - parisc: James has already queued "parisc: set memory ranges in
> N_NORMAL_MEMORY when onlined" for 2.6.39, so all he needs now is
> to merge a hybrid of the Kconfig changes requiring CONFIG_NUMA for
> CONFIG_DISCONTIGMEM from KOSAKI-san and myself which also fix the
> compile issues,

Not quite: if we go this route, we need to sort out our CPU scheduling
problem as well ... as I said, I don't think we've got all the necessary
numa machinery in place yet.

James




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