Re: [PATCH v2 resend] mm/memory_hotplug: Make unpopulated zones PCP structures unreachable during hot remove

[Michal Hocko]

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