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Subject: Re: [PATCH v4 2/3] mm/free_pcppages_bulk: do not hold lock when
 picking pages to free
To: Andrew Morton <akpm@linux-foundation.org>,
        Aaron Lu <aaron.lu@intel.com>
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        Huang Ying <ying.huang@intel.com>, Kemi Wang <kemi.wang@intel.com>,
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From: Dave Hansen <dave.hansen@intel.com>
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Date: Fri, 2 Mar 2018 13:25:35 -0800
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On 03/02/2018 01:23 PM, Andrew Morton wrote:
>> On my Sandybridge desktop, with will-it-scale/page_fault1/single process
>> run to emulate uniprocessor system, the score is(average of 3 runs):
>>
>> base(patch 1/3):	649710 
>> this patch:		653554 +0.6%
> Does that mean we got faster or slower?

Faster.  The unit of measurement here is iterations through a loop.
More iterations are better.