From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ob0-f199.google.com (mail-ob0-f199.google.com [209.85.214.199]) by kanga.kvack.org (Postfix) with ESMTP id 67838828E5 for ; Wed, 8 Jun 2016 21:43:47 -0400 (EDT) Received: by mail-ob0-f199.google.com with SMTP id jt9so13558225obc.2 for ; Wed, 08 Jun 2016 18:43:47 -0700 (PDT) Received: from mail-pa0-x242.google.com (mail-pa0-x242.google.com. [2607:f8b0:400e:c03::242]) by mx.google.com with ESMTPS id lw5si4492514pab.156.2016.06.08.18.43.46 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 08 Jun 2016 18:43:46 -0700 (PDT) Received: by mail-pa0-x242.google.com with SMTP id ug1so1575281pab.1 for ; Wed, 08 Jun 2016 18:43:46 -0700 (PDT) Date: Thu, 9 Jun 2016 10:43:45 +0900 From: Sergey Senozhatsky Subject: Re: [PATCH] zram: add zpool support Message-ID: <20160609014345.GB655@swordfish> References: <20160609013411.GA29779@bbox> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160609013411.GA29779@bbox> Sender: owner-linux-mm@kvack.org List-ID: To: Minchan Kim Cc: Dan Streetman , Geliang Tang , Nitin Gupta , Sergey Senozhatsky , linux-kernel , Linux-MM , Vitaly Wool Hello, On (06/09/16 10:34), Minchan Kim wrote: > On Wed, Jun 08, 2016 at 10:51:28AM -0400, Dan Streetman wrote: > > On Wed, Jun 8, 2016 at 5:39 AM, Geliang Tang wrote: > > > This patch adds zpool support for zram, it will allow us to use both > > > the zpool api and directly zsmalloc api in zram. > > > > besides the problems below, this was discussed a while ago and I > > believe Minchan is still against it, as nobody has so far shown what > > the benefit to zram would be; zram doesn't need the predictability, or > > evictability, of zbud or z3fold. > > Right. > > Geliang, I cannot ack without any *detail* that what's the problem of > zram/zsmalloc, why we can't fix it in zsmalloc itself. > The zbud and zsmalloc is otally different design to aim different goal > determinism vs efficiency so you can choose what you want between zswap > and zram rather than mixing the features. I'd also probably Cc Vitaly Wool on this (http://marc.info/?l=linux-mm&m=146537877415982&w=2) -ss -- 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