On Fri 30-11-18 10:19:13, 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. > > > > Well, I am not good at document writting. Below is my first trial. Look > > forward your comments. > > I'll have a look, maybe also Oscar and Michal can have a look. I guess > we don't have to cover all now, we can add more details as we discover them. Oscar, didn't you have something already? -- Michal Hocko SUSE Labs