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 from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/