From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx202.postini.com [74.125.245.202]) by kanga.kvack.org (Postfix) with SMTP id 910A16B005D for ; Wed, 15 Aug 2012 05:05:35 -0400 (EDT) Received: from relay2.suse.de (unknown [195.135.220.254]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx2.suse.de (Postfix) with ESMTP id AB653A3B06 for ; Wed, 15 Aug 2012 11:05:33 +0200 (CEST) From: Petr Tesarik Subject: Strange VM stats in /proc/zoneinfo Date: Wed, 15 Aug 2012 11:05:27 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Message-Id: <201208151105.27411.ptesarik@suse.cz> Sender: owner-linux-mm@kvack.org List-ID: To: linux-mm@kvack.org Hi folks, while looking at my /proc/zoneinfo, I noticed that the counters are a bit strange: Node 0, zone DMA pages free 3945 min 7 low 8 high 10 scanned 0 spanned 4080 present 3905 nr_free_pages 3945 OK, you'll probably argue that the rest is hidden in PCP differentials... BUT: 1. this machine has only 2 CPUs 2. stat_threshold = 4 3. vm_stat_diff[NR_FREE_PAGES] = 0 on both CPUs Is this only me? Or do I misrepresent what these number actually tell? TIA, Petr Tesarik -- 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/ . Don't email: email@kvack.org