On Fri, Apr 18, 2014 at 04:48:25PM -0400, John Stoffel wrote: > >>>>> "Andrew" == Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> writes: > > Andrew> On Tue, 8 Apr 2014 09:22:58 +0100 Mel Gorman <mgorman@xxxxxxx> wrote: > >> Changelog since v1 > >> o topology comment updates > >> > >> When it was introduced, zone_reclaim_mode made sense as NUMA distances > >> punished and workloads were generally partitioned to fit into a NUMA > >> node. NUMA machines are now common but few of the workloads are NUMA-aware > >> and it's routine to see major performance due to zone_reclaim_mode being > >> enabled but relatively few can identify the problem. > > > This is unclear here. "see major performance <what> due" doesn't make > sense to me. > Degradation -- Mel Gorman SUSE Labs -- 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>