On Wed, 29 Sep 2010, Mel Gorman wrote: > Alternatively we could revisit Christoph's suggestion of modifying > stat_threshold when under pressure instead of zone_page_state_snapshot. Maybe > by temporarily stat_threshold when kswapd is awake to a per-zone value > such that > > zone->low + threshold*nr_online_cpus < high Updating the threshold also is expensive. I thought more along the lines of reducing the threshold for good if the VM runs into reclaim trouble because of too high fuzziness in the counters. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>