On Mon 19-11-18 11:07:41, osalvador wrote: [...] > One thing I was wondering is that if we also should re-adjust it when a > zone gets emptied during offlining memory. > I checked, and whenever we work wirh pgdat->nr_zones we seem to check > if the zone is populated in order to work with it. > But still, I wonder if we should re-adjust it. I would rather not because we are not really deallocating zones and once you want to shrink it you have to linearize all the loops depending on it. -- Michal Hocko SUSE Labs