From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752985Ab1GTSIv (ORCPT ); Wed, 20 Jul 2011 14:08:51 -0400 Received: from smtp103.prem.mail.ac4.yahoo.com ([76.13.13.42]:44304 "HELO smtp103.prem.mail.ac4.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751822Ab1GTSIu (ORCPT ); Wed, 20 Jul 2011 14:08:50 -0400 X-Yahoo-Newman-Property: ymail-3 X-YMail-OSG: G2n77aIVM1mVak5WyBXbAiIBCVvvO0nVzjhGgajKhc5Ut5l lARgRY50OCSeUOekoVkN4HPIKd4nKN5XHyRRW_vTaU_H9y_orNOVFQfpsrY3 qpGy.9_sJmhnlTd2QK3Hz3O8dbcuy7AJJifS3cKzHjgOduTM.VPKunPCuwhI NPU98gf19I27hquLJg549ZU1yzh.3GWA1tbaJqWMFrF92AwO0yNN2xBambmP nKC76lITDtG7bFj9Qojg3k9qDIzNr_UeNK6OPfLwKoCkB3N98EbXRGVV4YSK 28qJXNPMTjhdZkwoxED4Qe587G0OQHN1YWTxuarHWNiznoe2HfhqZRBCEKFY nUEKl_eBqyAk3S9AZ2iXmbg4- X-Yahoo-SMTP: _Dag8S.swBC1p4FJKLCXbs8NQzyse1SYSgnAbY0- Date: Wed, 20 Jul 2011 13:08:46 -0500 (CDT) From: Christoph Lameter X-X-Sender: cl@router.home To: Mel Gorman cc: Andrew Morton , Minchan Kim , KOSAKI Motohiro , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/2] mm: page allocator: Initialise ZLC for first zone eligible for zone_reclaim In-Reply-To: Message-ID: References: <1310742540-22780-1-git-send-email-mgorman@suse.de> <1310742540-22780-2-git-send-email-mgorman@suse.de> <20110718160552.GB5349@suse.de> <20110718211325.GC5349@suse.de> 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 Hmmm... Looking at get_page_from_freelist and considering speeding that up in general: Could we move the whole watermark logic into the slow path? Only check when we refill the per cpu queues?