On Wed, 7 Feb 2007, KAMEZAWA Hiroyuki wrote: > > IMHO there shouldn't be any memory less nodes. The architecture code > > should not create them. The CPU should be assigned to a nearby node instead. > > At least x86-64 ensures that. > > > AFAIK, ia64 creates nodes just depends on SRAT's possible resource > information. > Then, ia64 can create cpu-memory-less-node(node with no available resource.). > (*)I don't like this.
I think that is only true for !SN2 platforms? Could we fix this? > If we don't allow memory-less-node, we may have to add several codes for > cpu-hot-add. > cpus should be moved to nearby node at hotadd . > And node-hot-add have to care that cpus mustn't be added before memory, > cpu-driven > node-hot-add will never occur. (ACPI's 'container' device spec can't > guaranntee this.) Well you could bring down the cpu and bring it up again? This would also assure the best placement of the runtime structures for node? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
