Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758297Ab3HOASs (ORCPT ); Wed, 14 Aug 2013 20:18:48 -0400 Received: from mail-ve0-f180.google.com ([209.85.128.180]:36790 "EHLO mail-ve0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751014Ab3HOASq (ORCPT ); Wed, 14 Aug 2013 20:18:46 -0400 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 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 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1008 Lines: 27 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 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/