From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759961Ab1IIUrY (ORCPT ); Fri, 9 Sep 2011 16:47:24 -0400 Received: from out4.smtp.messagingengine.com ([66.111.4.28]:41585 "EHLO out4.smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759922Ab1IIUrV (ORCPT ); Fri, 9 Sep 2011 16:47:21 -0400 X-Sasl-enc: k1AWOX92Ebc+iPfuWWviP4gMHKOR8uk24OellGcZ1b8B 1315601240 Date: Fri, 9 Sep 2011 13:34:47 -0700 From: Greg KH To: Seth Jennings Cc: gregkh@suse.de, devel@driverdev.osuosl.org, dan.magenheimer@oracle.com, cascardo@holoscopio.com, linux-kernel@vger.kernel.org, dave@linux.vnet.ibm.com, linux-mm@kvack.org, brking@linux.vnet.ibm.com, rcj@linux.vnet.ibm.com, ngupta@vflare.org Subject: Re: [PATCH v2 0/3] staging: zcache: xcfmalloc support Message-ID: <20110909203447.GB19127@kroah.com> References: <1315404547-20075-1-git-send-email-sjenning@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1315404547-20075-1-git-send-email-sjenning@linux.vnet.ibm.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Sep 07, 2011 at 09:09:04AM -0500, Seth Jennings wrote: > Changelog: > v2: fix bug in find_remove_block() > fix whitespace warning at EOF > > This patchset introduces a new memory allocator for persistent > pages for zcache. The current allocator is xvmalloc. xvmalloc > has two notable limitations: > * High (up to 50%) external fragmentation on allocation sets > PAGE_SIZE/2 > * No compaction support which reduces page reclaimation I need some acks from other zcache developers before I can accept this. {hint...}