Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753237AbYCIMBu (ORCPT ); Sun, 9 Mar 2008 08:01:50 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750840AbYCIMBm (ORCPT ); Sun, 9 Mar 2008 08:01:42 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:57569 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750799AbYCIMBl (ORCPT ); Sun, 9 Mar 2008 08:01:41 -0400 Date: Sun, 9 Mar 2008 13:01:24 +0100 From: Ingo Molnar To: Thomas Gleixner Cc: LKML , Linus Torvalds , Andrew Morton , Christoph Lameter , Bart Van Assche Subject: Re: quicklists confuse meminfo Message-ID: <20080309120124.GB1249@elte.hu> References: <20080309111456.GA21690@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 669 Lines: 17 * Thomas Gleixner wrote: > Right, also the quicklist_trim() in idle() is freeing at max 16 pages > in one go. According to the quicklist_trim() code we keep up to > (node_free_pages / 16) in the quicklist unconditionally, which seems > rather odd as well. i suspect the right approach would be to get rid of them altogether and to convert the code to RCU and plain old alloc/free instead. Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/