The problem with NUMA distances in the SLIT is that they are often wrong, oh wait they aren't there at all because the BIOS didn't create a SLIT since Windows does not use it. If Linux does not find a slit it just says the distance to local=10 and remote=20 according to ACPI spec. The problem is when we have a 4P system (or larger), there is generally one node where we have two hops and its distance should be >20.
Following are patches to first fake the SLIT in the ACPI code and then add ability to write the distances from sysfs. -Joachim - 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/