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DateMon, 14 Mar 2005 22:48:03 -0800
FromAndrew Morton <>
SubjectRe: [PATCH] Per cpu irq stat
Christoph Lameter <christoph@lameter.com> wrote:
>> The definition of the irq_stat as an array means that the individual
>  elements of the irq_stat array are located on one NUMA node requiring
>  internode traffic to access irq_stat from other nodes. This patch makes
>  irq_stat a per_cpu variable which allows most accesses to be local.

OK...

The wordwrapping monster got at your patch, but I fixed it up.

>  +DEFINE_PER_CPU(irq_cpustat_t, irq_stat)
>  ____cacheline_maxaligned_in_smp;

Why is this marked ____cacheline_maxaligned_in_smp?
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