Message-ID: <54511D26.7050000@codeaurora.org>
Date: Wed, 29 Oct 2014 10:00:22 -0700
From: Laura Abbott <lauraa@codeaurora.org>
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To: Gioh Kim <gioh.kim@lge.com>, gregkh@linuxfoundation.org,
        john.stultz@linaro.org, rebecca@android.com, dan.carpenter@oracle.com,
        Minchan Kim <minchan@kernel.org>,
        =?EUC-KR?B?J7Howdi89ic=?= <iamjoonsoo.kim@lge.com>
CC: devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org,
        gunho.lee@lge.com
Subject: Re: [RFC] stating: ion: use hot page first in pool
References: <545073AB.5060502@lge.com>
In-Reply-To: <545073AB.5060502@lge.com>
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Sender: linux-kernel-owner@vger.kernel.org

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


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