On 11/4/21 2:13 AM, Baolin Wang wrote: > +What: /sys/kernel/mm/numa/demotion_mode > +Date: November 2021 > +Contact: Linux memory management mailing list <linux-mm@xxxxxxxxx> > +Description: Set the demotion mode when enabling demoting pages during reclaim I don't think we need a tunable for this. The existing behavior is just stupid for your hardware and can be replaced. Let's also try to do it with the existing node_demotion[] data structure before we go adding more.
