From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx105.postini.com [74.125.245.105]) by kanga.kvack.org (Postfix) with SMTP id 601DA6B0032 for ; Wed, 14 Aug 2013 20:18:47 -0400 (EDT) Received: by mail-ve0-f178.google.com with SMTP id ox1so117764veb.9 for ; Wed, 14 Aug 2013 17:18:46 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <20130814161753.GB2706@gmail.com> References: <1376459736-7384-1-git-send-email-minchan@kernel.org> <20130814161753.GB2706@gmail.com> Date: Thu, 15 Aug 2013 08:18:46 +0800 Message-ID: Subject: Re: [PATCH v6 0/5] zram/zsmalloc promotion From: Bob Liu Content-Type: text/plain; charset=UTF-8 Sender: owner-linux-mm@kvack.org List-ID: To: Minchan Kim Cc: Luigi Semenzato , Greg Kroah-Hartman , Andrew Morton , Jens Axboe , Seth Jennings , Nitin Gupta , Konrad Rzeszutek Wilk , Linux-Kernel , Linux-MM , Pekka Enberg , Mel Gorman On Thu, Aug 15, 2013 at 12:17 AM, Minchan Kim wrote: > Hi Luigi, > > On Wed, Aug 14, 2013 at 08:53:31AM -0700, Luigi Semenzato wrote: >> During earlier discussions of zswap there was a plan to make it work >> with zsmalloc as an option instead of zbud. Does zbud work for > > AFAIR, it was not an optoin but zsmalloc was must but there were > several objections because zswap's notable feature is to dump > compressed object to real swap storage. For that, zswap needs to > store bounded objects in a zpage so that dumping could be bounded, too. > Otherwise, it could encounter OOM easily. > AFAIR, the next step of zswap should be have a modular allocation layer so that users can choose zsmalloc or zbud to use. Seth? -- Regards, --Bob -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org