linux-kernel - Re: [RFC] stating: ion: use hot page first in pool

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Message-ID: <545173BE.2050805@lge.com>
Date:	Thu, 30 Oct 2014 08:09:50 +0900
From:	Gioh Kim <gioh.kim@....com>
To:	Laura Abbott <lauraa@...eaurora.org>, gregkh@...uxfoundation.org,
	john.stultz@...aro.org, rebecca@...roid.com,
	dan.carpenter@...cle.com, Minchan Kim <minchan@...nel.org>,
	'김준수' <iamjoonsoo.kim@....com>
CC:	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
	gunho.lee@....com
Subject: Re: [RFC] stating: ion: use hot page first in pool



2014-10-30 오전 2:00에 Laura Abbott 이(가) 쓴 글:
> On 10/28/2014 9:57 PM, Gioh Kim wrote:
>>
>> Hello,
>>
>> I found that ion insert freed-page at the tail of list
>> and extract at the head.
>>
>> I think it is good for cache to use the most recently used page
>> but these pages in pool are not cached memory.
>> So I'm not sure using hot page is better or not in this case.
>>
>> What do you think about using hot page first?
>>
> 
> This is something that really needs data collection and
> benchmarks to see if there is actually an improvement or not.
> 
> Thanks,
> Laura
> 
> 
> 
Thank you for always.
I'm looking for a benchmark tool for my platform, but not founding yet.
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