On Tuesday 02 May 2006 22:13, Ingo Molnar wrote:
> nah. And the fact that i could boot this on a non-NUMA box already
> unearthed a weakness in the buddy allocator. (it should have much
> clearer asserts about mis-sized zones - it's not the first time we had
> them and they are hard to debug)
GIGO.
> So consider this a debugging feature.
> It also found other bugs, so even if nobody but me uses it, it's useful.
It's an awful lot of ugly code for a debugging feature.
Also I never considered i386 NUMA to be particularly interesting
because it doesn't work for the kernel lowmem which is always on node 0.
So no matter what you try you have a nasty hotspot on node 0's memory.
-Andi
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