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On Mon, Oct 17, 2005 at 09:09:52PM +0200, Andi Kleen wrote: > On Monday 17 October 2005 21:04, Linus Torvalds wrote: > > > So the only thing that worried me (and made me ask whether there might be > > machines where it doesn't work) is if some machines might have their high > > memory (or no memory at all) on NODE(0). It does sound unlikely, but I > > simple don't know what kind of strange NUMA configs there are out there. > > It could happen in VirtualIron (they seem to interleave node 0 over many nodes > to get equal use of lowmem in 32bit NUMA), but should not in x86-64.. > > > And I'm definitely only interested in machines that are out there, not > > some theoretical issues. > > According to Alex W. it will break their sx1000 IA64 boxen. sx1000 is probably already broken; Unless the last pgdat happens to be the memory only node with 0-4G? How about the fix I suggested which would iterate across all nodes until it found the right node for swiotlb? Thanks, Kiran - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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