On Fri, 8 Oct 2010, Christoph Lameter wrote: > It implies that zone reclaim is going to be automatically enabled if the > maximum latency to the memory farthest away is 3 times or more that of a > local memory access. > It doesn't determine what the maximum latency to that memory is, it relies on whatever was defined in the SLIT; the only semantics of that distance comes from the ACPI spec that states those distances are relative to the local distance of 10. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>