Hi Christoph, On Fri, Dec 11, 2015 at 2:15 AM, Christoph Lameter <cl@xxxxxxxxx> wrote: > Currently the vmstat updater is not deferrable as a result of commit > ba4877b9ca51f80b5d30f304a46762f0509e1635. This in turn can cause multiple > interruptions of the applications because the vmstat updater may run at > different times than tick processing. No good. > > Make vmstate_update deferrable again and provide a function that > folds the differentials when the processor is going to idle mode thus > addressing the issue of the above commit in a clean way. > 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. regards Shiraz -- 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>