linux-kernel - Re: [PATCH v6 0/5] zram/zsmalloc promotion

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Message-ID: <520DEE5F.70106@oracle.com>
Date:	Fri, 16 Aug 2013 17:18:23 +0800
From:	Bob Liu <bob.liu@...cle.com>
To:	Mel Gorman <mgorman@...e.de>
CC:	Minchan Kim <minchan@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jens Axboe <axboe@...nel.dk>,
	Seth Jennings <sjenning@...ux.vnet.ibm.com>,
	Nitin Gupta <ngupta@...are.org>,
	Konrad Rzeszutek Wilk <konrad@...nok.org>,
	Luigi Semenzato <semenzato@...gle.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Pekka Enberg <penberg@...helsinki.fi>
Subject: Re: [PATCH v6 0/5] zram/zsmalloc promotion

Hi Mel,

On 08/16/2013 05:12 PM, Mel Gorman wrote:
> On Fri, Aug 16, 2013 at 09:33:47AM +0100, Mel Gorman wrote:
>> On Fri, Aug 16, 2013 at 01:26:41PM +0900, Minchan Kim wrote:
>> <SNIP>
>> It'll get even more entertaining if/when someone ever tries
>> to reimplement zcache although since Dan left I do not believe anyone is
>> planning to try.
> 
> I should mention that Bob Liu did some work with zcache recently but is
> now looking like it'll be dropped from staging. I did not look at the
> details and I have no idea if anything else is planned with it.
> 

The plan is like this:
Zcache dropped from staging.
As a result, for swap pages compression using zswap(zram).
For file pages compression using my new implemention of zcache(v3)
mm/zcache.c

If there is requirement we can merge zswap and zcachev3 in future!

-- 
Regards,
-Bob
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