From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx112.postini.com [74.125.245.112]) by kanga.kvack.org (Postfix) with SMTP id 93F3A6B0032 for ; Mon, 12 Aug 2013 08:19:28 -0400 (EDT) Date: Mon, 12 Aug 2013 08:19:08 -0400 From: Konrad Rzeszutek Wilk Subject: Re: [PATCH v2 0/4] zcache: a compressed file page cache Message-ID: <20130812121908.GA3196@phenom.dumpdata.com> References: <1375788977-12105-1-git-send-email-bob.liu@oracle.com> <20130806135800.GC1048@kroah.com> <52010714.2090707@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <52010714.2090707@oracle.com> Sender: owner-linux-mm@kvack.org List-ID: To: Bob Liu Cc: Greg KH , Bob Liu , linux-mm@kvack.org, ngupta@vflare.org, akpm@linux-foundation.org, sjenning@linux.vnet.ibm.com, riel@redhat.com, mgorman@suse.de, kyungmin.park@samsung.com, p.sarna@partner.samsung.com, barry.song@csr.com, penberg@kernel.org On Tue, Aug 06, 2013 at 10:24:20PM +0800, Bob Liu wrote: > Hi Greg, > > On 08/06/2013 09:58 PM, Greg KH wrote: > > On Tue, Aug 06, 2013 at 07:36:13PM +0800, Bob Liu wrote: > >> Dan Magenheimer extended zcache supporting both file pages and anonymous pages. > >> It's located in drivers/staging/zcache now. But the current version of zcache is > >> too complicated to be merged into upstream. > > > > Really? If this is so, I'll just go delete zcache now, I don't want to > > lug around dead code that will never be merged. > > > > Zcache in staging have a zbud allocation which is almost the same as > mm/zbud.c but with different API and have a frontswap backend like > mm/zswap.c. > So I'd prefer reuse mm/zbud.c and mm/zswap.c for a generic memory > compression solution. > Which means in that case, zcache in staging = mm/zswap.c + mm/zcache.c + > mm/zbud.c. > > But I'm not sure if there are any existing users of zcache in staging, > if not I can delete zcache from staging in my next version of this > mm/zcache.c series. I think the Samsung folks are using it (zcache). -- 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