On Wed, 11 Sep 2013, Dave Hansen wrote: > 3. We want ->high to approximate the size of the cache which is > private to a given cpu. But, that's complicated by the L3 caches > and hyperthreading today. well lets keep it well below that. There are other caches (slab related f.e.) that are also in constant use. > I'll take one of my big systems and run it with some various ->high > settings and see if it makes any difference. Do you actually see contention issues on the locks? I think we have a tendency to batch too much in too many caches. -- 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=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>