Re: [PATCH] cache align vm_stat

[Mel Gorman]

On Thu, Oct 27, 2011 at 10:50:25AM +0200, Mel Gorman wrote:
> On Mon, Oct 24, 2011 at 11:10:35AM -0500, Dimitri Sivanich wrote:
> > Avoid false sharing of the vm_stat array.
> > 
> > This was found to adversely affect tmpfs I/O performance.
> > 
> 
> I think this fix is overly simplistic.

In a lesson on why I should not even try reviewing while attending
conferences, I totally misread what the patch is doing. It's aligning
the array to avoid false sharing with other global data, not aligning
each element. This is reasonable.

Acked-by: Mel Gorman <mel@xxxxxxxxx>
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