On Mon, Mar 11, 2019 at 01:46:26PM -0700, Sultan Alsawaf wrote: > On Mon, Mar 11, 2019 at 01:10:36PM -0700, Suren Baghdasaryan wrote: > > The idea seems interesting although I need to think about this a bit > > more. Killing processes based on failed page allocation might backfire > > during transient spikes in memory usage. > > This issue could be alleviated if tasks could be killed and have their pages > reaped faster. But the point is that a transient temporary memory spike should not be a signal to kill _any_ process. The reaction to kill shouldn't be so spontaneous that unwanted tasks are killed because the system went into panic mode. It should be averaged out which I believe is what PSI does. thanks, - Joel
