Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753631Ab3HPJNN (ORCPT ); Fri, 16 Aug 2013 05:13:13 -0400 Received: from userp1040.oracle.com ([156.151.31.81]:29190 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752026Ab3HPJNI (ORCPT ); Fri, 16 Aug 2013 05:13:08 -0400 Message-ID: <520DED04.2030605@oracle.com> Date: Fri, 16 Aug 2013 17:12:36 +0800 From: Bob Liu User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130308 Thunderbird/17.0.4 MIME-Version: 1.0 To: Mel Gorman CC: Minchan Kim , Greg Kroah-Hartman , Andrew Morton , Jens Axboe , Seth Jennings , Nitin Gupta , Konrad Rzeszutek Wilk , Luigi Semenzato , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Pekka Enberg Subject: Re: [PATCH v6 0/5] zram/zsmalloc promotion References: <1376459736-7384-1-git-send-email-minchan@kernel.org> <20130814174050.GN2296@suse.de> <20130814185820.GA2753@gmail.com> <20130815171250.GA2296@suse.de> <20130816042641.GA2893@gmail.com> <20130816083347.GD2296@suse.de> In-Reply-To: <20130816083347.GD2296@suse.de> Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit X-Source-IP: acsinet21.oracle.com [141.146.126.237] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1317 Lines: 33 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/