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SubjectRe: [PATCH] x86_64: resize NR_IRQS for large machines
On Tue, 25 Mar 2008, Ingo Molnar wrote:

>
> * Alan Mayer <ajm@sgi.com> wrote:
>
> > Subject: [PATCH] x86_64: resize NR_IRQS for large machines
> >
> > From: Alan Mayer <ajm@sgi.com>
> >
> > On machines with very large numbers of cpus, tables that are
> > dimensioned by NR_IRQS get very large, especially the irq_desc table.
> > They are also very sparsely used. When the cpu count is >
> > MAX_IO_APICS, use MAX_IO_APICS to set NR_IRQS, otherwise use NR_CPUS.
> >
> > Signed-off-by: Alan Mayer <ajm@sgi.com>
> > Reviewed-by: Christoph Lameter <clameter@sgi.com>
>
> thanks, applied. I suspect this can wait until .26, as there appears to
> be a number of other patches that you need to get these boxes running on
> vanilla, right?
>
> Ingo

That's right. Thanks.

--ajm

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Spirits are using me,
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--
Alan J. Mayer
SGI
ajm@sgi.com
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HOME: 651-407-0134
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