[PATCH 1/3 v3] Raise the upper limit of NR_CPUS.

Michael Ellerman michael at ellerman.id.au
Wed Apr 23 15:41:39 EST 2008


On Wed, 2008-04-23 at 14:06 +1000, Tony Breeds wrote:
> As the pacas are statically initialised increasing NR_CPUS beyond 128,
> means that any additional pacas will be empty  ... which is bad.
> 
> This patch adds the required functionality to fill in any excess pacas
> at runtime.
> 
> Signed-off-by: Tony Breeds <tony at bakeyournoodle.com>
> ---

You add about 30 lines of code in this patch, which you remove in patch
3, is there a better way to do it?

Is there any harm dynamically initialising the statically initialised
pacas, I think that would allow you to basically skip the
NR_STATIC_PACAS business.

cheers

-- 
Michael Ellerman
OzLabs, IBM Australia Development Lab

wwweb: http://michael.ellerman.id.au
phone: +61 2 6212 1183 (tie line 70 21183)

We do not inherit the earth from our ancestors,
we borrow it from our children. - S.M.A.R.T Person
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