> This is an unusual configuration but it's not unheard of. PPC64 in rare > (and usually broken) configurations can have one node span another. Tony > should know if such a configuration is normally allowed on Itanium or if > this should be considered a platform bug. Tony? We definitely have platforms where the physical memory on node 0 that we skipped to leave physical address space for PCI mem mapped devices gets tagged back at the very top of memory, after other nodes. E.g. A 2-node system with 8G on each might look like this: 0-2G RAM on node 0 2G-4G PCI map space 4G-8G RAM on node 0 8G-16GRAM on node 1 16G-18G RAM on node 0 Is this the situation that we are talking about? Or something different? -Tony -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href