From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756114Ab3BEAVR (ORCPT ); Mon, 4 Feb 2013 19:21:17 -0500 Received: from mail-oa0-f49.google.com ([209.85.219.49]:65065 "EHLO mail-oa0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754594Ab3BEAVP (ORCPT ); Mon, 4 Feb 2013 19:21:15 -0500 Message-ID: <1360023672.12336.0.camel@kernel.cn.ibm.com> Subject: Re: [PATCH v2] Make frontswap+cleancache and its friend be modularized. From: Ric Mason To: Seth Jennings Cc: Konrad Rzeszutek Wilk , dan.magenheimer@oracle.com, konrad.wilk@oracle.com, gregkh@linuxfoundation.org, akpm@linux-foundation.org, ngupta@vflare.org, rcj@linux.vnet.ibm.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, devel@driverdev.osuosl.org Date: Mon, 04 Feb 2013 18:21:12 -0600 In-Reply-To: <510FD073.1060307@linux.vnet.ibm.com> References: <1359750184-23408-1-git-send-email-konrad.wilk@oracle.com> <1359881520.1328.14.camel@kernel.cn.ibm.com> <510FD073.1060307@linux.vnet.ibm.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.4.4 (3.4.4-2.fc17) Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2013-02-04 at 09:14 -0600, Seth Jennings wrote: > On 02/03/2013 02:52 AM, Ric Mason wrote: > > Hi Konrad, > > On Fri, 2013-02-01 at 15:22 -0500, Konrad Rzeszutek Wilk wrote: > > > > I have already enable frontswap,cleancache,zcache, > > FRONTSWAP [=y] > > CLEANCACHE [=y] > > ZCACHE [=y] > > But all of knode under /sys/kernel/debug/frontswap and cleancache still > > zero, my swap device is enable, where I miss? > > Did you pass "zcache" in the kernel boot parameters? Thanks Seth, I think it should be add to kernel-parameters.txt. > > Seth >