On Tue 13-04-21 11:36:08, Vlastimil Babka wrote: [...] > AFAIK even Oscar's work on using the node to self-contain its own structures is > only applicable to struct pages, not percpu allocations? Correct. Teaching pcp storage on movable zone sounds like a large undertaking to me. Not sure this is worth it TBH. Even an idea of any pcp access synchronization with memory hotplug makes for a decent headache. -- Michal Hocko SUSE Labs