Messages in this thread | | | Date | Tue, 25 Mar 2008 17:19:06 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH] x86_64: resize NR_IRQS for large machines |
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* 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
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