On Thu, 2011-12-15 at 01:53 +0800, Andi Kleen wrote: > > That's what I want to avoid letting each apps to explicitly do it, it's > > a lot of burden. > > Usually apps that set NUMA policy can change it. Most don't anyways. > If it's just a script with numactl it's easily changed. Hmm, why should apps set different granularity? the granularity change is to speed up I/O, which should have the same value for all apps. > > That's true only workload with heavy I/O wants this. but I don't expect > > it will harm other workloads. > > How do you know? I can't imagine how it could harm. Some arches can use big pages, big granularity should already been tested for years. Thanks, Shaohua -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>