linux-kernel - Re: [PATCH 2/2] mm/compaction: speed up pageblock_pfn_to

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Message-ID: <566F677C.20701@intel.com>
Date:	Tue, 15 Dec 2015 09:06:04 +0800
From:	Aaron Lu <aaron.lu@...el.com>
To:	Joonsoo Kim <js1304@...il.com>, Vlastimil Babka <vbabka@...e.cz>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Mel Gorman <mgorman@...e.de>, Rik van Riel <riel@...hat.com>,
	David Rientjes <rientjes@...gle.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux Memory Management List <linux-mm@...ck.org>,
	Joonsoo Kim <iamjoonsoo.kim@....com>
Subject: Re: [PATCH 2/2] mm/compaction: speed up pageblock_pfn_to_page() when
 zone is contiguous

On 12/14/2015 11:25 PM, Joonsoo Kim wrote:
> 2015-12-14 19:29 GMT+09:00 Vlastimil Babka <vbabka@...e.cz>:
>> On 12/14/2015 06:02 AM, Joonsoo Kim wrote:
>>> Before vs After
>>> Max: 1096 MB/s vs 1325 MB/s
>>> Min: 635 MB/s 1015 MB/s
>>> Avg: 899 MB/s 1194 MB/s
>>>
>>> Avg is improved by roughly 30% [2].
>>
>>
>> Unless I'm mistaken, these results also include my RFC series (Aaron can you
>> clarify?). These patches should better be tested standalone on top of base,
>> as being simpler they will probably be included sooner (the RFC series needs
>> reviews at the very least :) - although the memory hotplug concerns might
>> make the "sooner" here relative too.
> 
> AFAIK, these patches are tested standalone on top of base. When I sent it,
> I asked to Aaron to test it on top of base.

Right, it is tested standalone on top of base.
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