From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760146Ab0JGII0 (ORCPT ); Thu, 7 Oct 2010 04:08:26 -0400 Received: from sunjammer.sugarlabs.org ([140.186.70.53]:57391 "EHLO sunjammer.sugarlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752297Ab0JGIIX (ORCPT ); Thu, 7 Oct 2010 04:08:23 -0400 X-Greylist: delayed 476 seconds by postgrey-1.27 at vger.kernel.org; Thu, 07 Oct 2010 04:08:23 EDT Subject: Re: Issues when running without swap From: Bernie Innocenti To: Ben Hutchings Cc: systems , lkml In-Reply-To: <1286404202-sup-7870@twin.sascha.silbe.org> References: <1286404202-sup-7870@twin.sascha.silbe.org> Content-Type: text/plain; charset="UTF-8" Organization: Sugar Labs - http://www.sugarlabs.org/ Date: Thu, 07 Oct 2010 10:00:20 +0200 Message-ID: <1286438420.11914.48.camel@giskard.codewiz.org> Mime-Version: 1.0 X-Mailer: Evolution 2.32.0 (2.32.0-2.fc14) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 06 Oct 2010 23:54:03 +0200, Ben Hutchings wrote: > You also told me that this machine had no swap enabled, which is an > unusual configuration and restricts the ability of the VM to defragment > memory. I would recommend adding a small swap file/partition. However: Is this behavior documented anywhere? If not, can you point me at the vm code which implies page defragmentation through swap? -- // Bernie Innocenti - http://codewiz.org/ \X/ Sugar Labs - http://sugarlabs.org/