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Subject: Re: [PATCH 1/7] powerpc: Reduce footprint of irq_stat
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Christoph Hellwig <hch@lst.de>
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Date: Tue, 02 Feb 2010 10:07:10 +1100
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On Mon, 2010-02-01 at 22:55 +0100, Christoph Hellwig wrote:

> > +typedef struct {
> > +	unsigned int __softirq_pending;
> > +} ____cacheline_aligned irq_cpustat_t;
> 
> No need to bother with an irq_cpustat_t type at all in this case, just
> declare a softirq_pending per-cpu variable.

I think his subsequent patches add members to that struct for
CE, MCE etc... stats.

Cheers,
Ben.