Michal Hocko <mhocko@xxxxxxxx> writes: > [Sorry for late reply, conferencing last 2 weeks and now catching up] Never mind. And my reply is late too for sickness. > On Tue 16-05-23 12:30:21, David Hildenbrand wrote: > [...] >> > And auto-tuning doesn't sound easy. Do you have some idea of how to do >> > that? >> >> If we could avoid instantiating more zones and rather improve existing >> mechanisms (PCP), that would be much more preferred IMHO. I'm sure it's not >> easy, but that shouldn't stop us from trying ;) > > Absolutely agreed. Increasing the zone number sounds like a hack to me > TBH. It seems like an easier way but it allows more subtle problems > later on. E.g. hard to predict per-zone memory consumption and memory > reclaim disbalances. At least, we all think that improving PCP is something deserved to be done. I will do some experiment on that and return to you (after some time). Best Regards, Huang, Ying
