On Wed, 20 Jan 2016, Shiraz Hashim wrote: > The patch makes vmstat_shepherd deferable which if is quiesed > would not schedule vmstat update on other cpus. Wouldn't this > aggravate the problem of vmstat for rest cpus not gettng updated. Its only "deferred" in order to make it at the next tick and not cause an extra event. This means that vmstat will run periodically from tick processing. It merely causes a synching so that we have one interruption that does both. On idle we fold counters immediately. So there is no loss of accuracy. -- 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>