On Tue, Sep 21, 2021 at 09:31:30AM +1000, NeilBrown wrote: > On Mon, 20 Sep 2021, Mel Gorman wrote: > > + > > + reclaim_throttle(pgdat, VMSCAN_THROTTLE_NOPROGRESS, HZ/10); > > We always seem to pass "HZ/10" to reclaim_throttle(). Should we just > hard-code that in the one place inside reclaim_throttle() itself? > do_writepages passes in HZ/50. I'm not sure if these values even have any special meaning, I think it's more likely they were pulled out of the air based on the speed of some disk in the past and then copied. It's another reason why I want the wakeups to be based on events within the mm as much as possible. -- Mel Gorman SUSE Labs
