On Thu 29-11-18 17:06:15, David Hildenbrand wrote: > I suggest adding what you just found out to [...] > Documentation/admin-guide/mm/memory-hotplug.rst "Locking Internals". > Maybe a new subsection for mem_hotplug_lock. And eventually also > pgdat_resize_lock. That would be really great! I guess I have suggested something like that to Oscar already and he provided a highlevel overview. -- Michal Hocko SUSE Labs