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

[Ingo Molnar]

* Alan Mayer <ajm@xxxxxxx> wrote:

> Subject: [PATCH] x86_64: resize NR_IRQS for large machines
> 
> From: Alan Mayer <ajm@xxxxxxx>
> 
> 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@xxxxxxx>
> Reviewed-by: Christoph Lameter <clameter@xxxxxxx>

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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