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SubjectRe: [PATCH -mm 13/25] Noreclaim LRU Infrastructure
On Tue, 2008-06-10 at 14:33 -0700, Andrew Morton wrote:
> Maybe it's time to bite the bullet and kill i386 NUMA support. afaik
> it's just NUMAQ and a 2-node NUMAish machine which IBM made (as400?)

Yeah, IBM sold a couple of these "interesting" 32-bit NUMA machines:

I think those maxed out at 8 nodes, ever. But, no distro ever turned
NUMA on for i386, so no one actually depends on it working. We do have
a bunch of systems that we use for testing and so forth. It'd be a
shame to make these suck *too* much. The NUMA-Q is probably also so
intertwined with CONFIG_NUMA that we'd likely never get it running

I'd rather just bloat page->flags on these platforms or move the
sparsemem/zone/node bits elsewhere than kill NUMA support.

-- Dave

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