Re: [PATCH -v2 5/5] x86: use dmi check to treat disabled cpus ashotplug cpus.

[Andi Kleen]

> I just built an allyesconfig kernel, and it has 1904K of percpu data.
> 1791K of that is in per_cpu__cpu_lock_stats.  So everything else is

Ok so we need to fix lock stats, I'll put it on my todo list.

> ~113K.  Still.  We should not be restricted from doing legitimately
> large percpu allocations because of ghost cpus (and Tejun knows my
> position on this), but it doesn't sound like the house is burning, either.

I think it's legitimate to require explicit allocation on
add/remove event for anything large.

Static per cpu is really only for "lazy users" anyways.

-Andi
-- 
ak@xxxxxxxxxxxxxxx -- Speaking for myself only.
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