Re: [PATCH] percpu data: only iterate over possible CPUs

[Paul Jackson]

Chuck wrote:
> I don't think that's, um, "possible."  Even if you could discover how many
> empty sockets there were in a system, someone might be able to hotplug
> a board with more of them on it. 

That's going to depend on your system hardware configuration.

cpu_possible_map should be whatever is the largest set of
cpus you might possibly want to deal with plugging in.

Some hardware configurations will support more addition
of hardware cpus than others.

-- 
                  I won't rest till it's the best ...
                  Programmer, Linux Scalability
                  Paul Jackson <pj@xxxxxxx> 1.925.600.0401
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