From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757310Ab2DZOu2 (ORCPT ); Thu, 26 Apr 2012 10:50:28 -0400 Received: from smtp103.prem.mail.ac4.yahoo.com ([76.13.13.42]:48617 "HELO smtp103.prem.mail.ac4.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1757235Ab2DZOuY (ORCPT ); Thu, 26 Apr 2012 10:50:24 -0400 X-Yahoo-Newman-Property: ymail-3 X-YMail-OSG: Qgye8aAVM1lJY4dFaXAtlC_9L_0JouEyG4NWu3O7JDXXZXp f7Kvu2LslVZm4kQ9r8bsCQKh01kxmVUdzVaI3wk2E2kYQ7MGfq6PkYvmuCmy USwGYgODDrke4UNbDE9JTe1xDaj2djnLYNcB5e.OOVYnX2DZSqXyLDoiq6qY Yb5W88ZLbmFVwKnq.31TjKaqbc07ivjLhCT6kK8VvEP4Dbryd0wgTi20t8.a fm4nhAN_K3qH8roGawBLaSe_DAguZkbGKidngGytu8J45qQdMjKe4t0gXa0R P.xWv1K0rrWeU54mv3nm2gxWk.8O5qjfgA3YQsfqCJO.VoSsD5SXQ9TZWB8e QLir_YO.Mom9T3y6CGMqqr20FWe2rPGXZFX6UYx3v7uNWGIUffU1k43eTN8t x X-Yahoo-SMTP: _Dag8S.swBC1p4FJKLCXbs8NQzyse1SYSgnAbY0- Date: Thu, 26 Apr 2012 09:50:19 -0500 (CDT) From: Christoph Lameter X-X-Sender: cl@router.home To: Richard Davies cc: Satoru Moriya , KOSAKI Motohiro , Jerome Marchand , KOSAKI Motohiro , "jweiner@redhat.com" , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , "riel@redhat.com" , "lwoodman@redhat.com" , "shaohua.li@intel.com" , "dle-develop@lists.sourceforge.net" , Seiji Aguchi , Minchan Kim Subject: Re: [RFC][PATCH] avoid swapping out with swappiness==0 In-Reply-To: <20120424082019.GA18395@alpha.arachsys.com> Message-ID: References: <20120424082019.GA18395@alpha.arachsys.com> User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 24 Apr 2012, Richard Davies wrote: > I strongly believe that Linux should have a way to turn off swapping unless > absolutely necessary. This means that users like us can run with swap > present for emergency use, rather than having to disable it because of the > side effects. Agree. And this ooperation mode should be the default behavior given that swapping is a very slow and tedious process these days. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx158.postini.com [74.125.245.158]) by kanga.kvack.org (Postfix) with SMTP id 195556B004A for ; Thu, 26 Apr 2012 10:50:24 -0400 (EDT) Date: Thu, 26 Apr 2012 09:50:19 -0500 (CDT) From: Christoph Lameter Subject: Re: [RFC][PATCH] avoid swapping out with swappiness==0 In-Reply-To: <20120424082019.GA18395@alpha.arachsys.com> Message-ID: References: <20120424082019.GA18395@alpha.arachsys.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Richard Davies Cc: Satoru Moriya , KOSAKI Motohiro , Jerome Marchand , KOSAKI Motohiro , "jweiner@redhat.com" , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , "riel@redhat.com" , "lwoodman@redhat.com" , "shaohua.li@intel.com" , "dle-develop@lists.sourceforge.net" , Seiji Aguchi , Minchan Kim On Tue, 24 Apr 2012, Richard Davies wrote: > I strongly believe that Linux should have a way to turn off swapping unless > absolutely necessary. This means that users like us can run with swap > present for emergency use, rather than having to disable it because of the > side effects. Agree. And this ooperation mode should be the default behavior given that swapping is a very slow and tedious process these days. -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org