On Fri 30-08-19 08:20:32, David Hildenbrand wrote: [...] > Regarding shrink_zone_span(), I suspect it was introduced by > > d0dc12e86b31 ("mm/memory_hotplug: optimize memory hotplug")
zone shrinking code is much older - 815121d2b5cd5. But I do not think this is really needed for Fixes tag. -- Michal Hocko SUSE Labs