On Thu, Aug 24, 2017 at 05:59:58PM +0800, Kemi Wang wrote: > Each page allocation updates a set of per-zone statistics with a call to > zone_statistics(). As discussed in 2017 MM summit, these are a substantial > source of overhead in the page allocator and are very rarely consumed. This > significant overhead in cache bouncing caused by zone counters (NUMA > associated counters) update in parallel in multi-threaded page allocation > (pointed out by Dave Hansen). > For the series; Acked-by: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx> -- 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>
