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From: Bob Liu <bob.liu@oracle.com>
To: Mel Gorman <mgorman@suse.de>
Cc: Minchan Kim <minchan@kernel.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Jens Axboe <axboe@kernel.dk>,
	Seth Jennings <sjenning@linux.vnet.ibm.com>,
	Nitin Gupta <ngupta@vflare.org>,
	Konrad Rzeszutek Wilk <konrad@darnok.org>,
	Luigi Semenzato <semenzato@google.com>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	Pekka Enberg <penberg@cs.helsinki.fi>
Subject: Re: [PATCH v6 0/5] zram/zsmalloc promotion
Date: Fri, 16 Aug 2013 17:12:36 +0800	[thread overview]
Message-ID: <520DED04.2030605@oracle.com> (raw)
In-Reply-To: <20130816083347.GD2296@suse.de>

Hi Mel,

On 08/16/2013 04:33 PM, Mel Gorman wrote:
> 
> I already said I recognise it has a large number of users in the field
> and users count a lot more than me complaining. If it gets promoted then
> I expect it will be on those grounds.
> 
> My position is that I think it's a bad idea because it is clear there is no
> plan or intention of ever brining zram and zswap together. Instead we are
> to have two features providing similar functionality with zram diverging
> further from zswap.  Ultimately I believe this will increase maintenance
> headaches. 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 will not be acking this series but there many be enough

I already reimplemented zcache based on mm/zbud.c.
http://thread.gmane.org/gmane.linux.kernel.mm/104824

I'll pay more attention to the problems of zswap as you mentioned.

> developers that are actually willing to maintain a duel zram/zswap mess
> to make it happen anyway.
> 

-- 
Regards,
-Bob

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  parent reply	other threads:[~2013-08-16  9:13 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-14  5:55 [PATCH v6 0/5] zram/zsmalloc promotion Minchan Kim
2013-08-14  5:55 ` [PATCH v6 1/5] zsmalloc: add Kconfig for enabling page table method Minchan Kim
2013-08-14  5:55 ` [PATCH v6 2/5] zsmalloc: add more comment Minchan Kim
2013-08-14  5:55 ` [PATCH v6 3/5] zsmalloc: move it under zram Minchan Kim
2013-08-16 22:00   ` Seth Jennings
2013-08-20  4:21     ` Minchan Kim
2013-08-14  5:55 ` [PATCH v6 4/5] mm: export unmap_kernel_range Minchan Kim
2013-08-14  5:55 ` [PATCH v6 5/5] zram: promote zram from staging Minchan Kim
2013-08-14 15:53 ` [PATCH v6 0/5] zram/zsmalloc promotion Luigi Semenzato
2013-08-14 16:17   ` Minchan Kim
2013-08-15  0:18     ` Bob Liu
2013-08-15 15:03       ` Seth Jennings
2013-08-16  2:02     ` Wanpeng Li
2013-08-16  2:02     ` Wanpeng Li
     [not found]     ` <520d883a.a2f6420a.6f36.0d66SMTPIN_ADDED_BROKEN@mx.google.com>
2013-08-16  4:35       ` Minchan Kim
2013-08-16  7:02         ` Alex Elsayed
2013-08-14 17:40 ` Mel Gorman
2013-08-14 18:15   ` Luigi Semenzato
2013-08-14 18:58   ` Minchan Kim
2013-08-15 17:12     ` Mel Gorman
2013-08-16  1:52       ` Bob Liu
2013-08-16  1:53       ` Bob Liu
2013-08-16  4:26       ` Minchan Kim
2013-08-16  4:55         ` Bob Liu
2013-08-16  8:33         ` Mel Gorman
2013-08-16  9:12           ` Mel Gorman
2013-08-16  9:18             ` Bob Liu
2013-08-16 12:49               ` Greg Kroah-Hartman
2013-08-16  9:12           ` Bob Liu [this message]
2013-08-19  3:18           ` Minchan Kim
2013-08-19  3:57             ` Bob Liu
2013-08-19  4:37               ` Minchan Kim
2013-08-19  5:29                 ` Luigi Semenzato
2013-08-19  6:07                   ` Bob Liu
2013-08-19  6:11                   ` Minchan Kim
  -- strict thread matches above, loose matches on Subject: below --
2013-08-14  5:51 Minchan Kim

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