Re: [PATCH 4/4] mm: page_alloc: Reduce cost of the fair zone allocation policy

[Andrew Morton]

On Mon, 30 Jun 2014 22:51:21 +0100 Mel Gorman <mgorman@xxxxxxx> wrote:

> > That's a large change in system time.  Does this all include kswapd
> > activity?
> > 
> 
> I don't have a profile to quantify that exactly. It takes 7 hours to
> complete a test on that machine in this configuration

That's nuts.  Why should measuring this require more than a few minutes?
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