On Tuesday 08 August 2006 07:47, Eric W. Biederman wrote:
>
> Now for a completely different but trivial approach.
> I just boot tested it with 255 CPUS and everything worked.
>
> Currently everything (except module data) we place in
> the per cpu area we know about at compile time. So
> instead of allocating a fixed size for the per_cpu area
> allocate the number of bytes we need plus a fixed constant
> for to be used for modules.
>
> It isn't perfect but it is much less of a pain to
> work with than what we are doing now.
Yes makes sense.
However not that particular patch - i already changed that
code in my tree because I needed really early per cpu for something and
i had switched to using a static array for cpu0's cpudata.
I will modify it to work like your proposal.
-Andi
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