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Subject: Re: [PATCH 2.6.26?] Raise the upper limit of NR_CPUS.
From: Michael Ellerman <michael@ellerman.id.au>
To: Tony Breeds <tony@bakeyournoodle.com>
In-Reply-To: <20080418053349.GE20457@bakeyournoodle.com>
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Date: Fri, 18 Apr 2008 20:33:44 +1000
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Cc: LinuxPPC-dev <linuxppc-dev@ozlabs.org>, Paul Mackerras <paulus@samba.org>
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On Fri, 2008-04-18 at 15:33 +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.
>=20
> This patch adds the required functionality to fill in any excess pacas
> at runtime.
>=20
> Signed-off-by: Tony Breeds <tony@bakeyournoodle.com>
> ---
> I know it's late, but can this be considered for 2.6.26?
>=20
>  arch/powerpc/kernel/paca.c             |   33 ++++++++++----------------=
--
>  arch/powerpc/kernel/prom_init.c        |   36 ++++++++++++++++++++++++++=
++++++
>  arch/powerpc/platforms/Kconfig.cputype |    4 +-
>  include/asm-powerpc/paca.h             |   19 ++++++++++++++++

What happens on non prom-init platforms?

cheers

--=20
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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