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Date: Wed, 04 Apr 2012 15:21:54 +0300
From: Adrian Hunter <adrian.hunter@intel.com>
Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki,
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To: Arnd Bergmann <arnd@arndb.de>
CC: linaro-kernel@lists.linaro.org, linux-mm@kvack.org,
        "Luca Porzio (lporzio)" <lporzio@micron.com>,
        Alex Lemberg <alex.lemberg@sandisk.com>, linux-kernel@vger.kernel.org,
        Saugata Das <saugata.das@linaro.org>,
        Venkatraman S <venkat@linaro.org>, Yejin Moon <yejin.moon@samsung.com>,
        Hyojin Jeong <syr.jeong@samsung.com>,
        "linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
        kernel-team@android.com
Subject: Re: swap on eMMC and other flash
References: <201203301744.16762.arnd@arndb.de> <201203301850.22784.arnd@arndb.de>
In-Reply-To: <201203301850.22784.arnd@arndb.de>
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On 30/03/12 21:50, Arnd Bergmann wrote:
> (sorry for the duplicated email, this corrects the address of the android
> kernel team, please reply here)
> 
> On Friday 30 March 2012, Arnd Bergmann wrote:
> 
>  We've had a discussion in the Linaro storage team (Saugata, Venkat and me,
>  with Luca joining in on the discussion) about swapping to flash based media
>  such as eMMC. This is a summary of what we found and what we think should
>  be done. If people agree that this is a good idea, we can start working
>  on it.

There is mtdswap.

Also the old Nokia N900 had swap to eMMC.

The last I heard was that swap was considered to be simply too slow on hand
held devices.

As systems adopt more RAM, isn't there a decreasing demand for swap?