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SubjectRe: [PATCH] x86_64: resize NR_IRQS for large machines

* 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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