Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754298AbZGEJXn (ORCPT ); Sun, 5 Jul 2009 05:23:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751293AbZGEJXg (ORCPT ); Sun, 5 Jul 2009 05:23:36 -0400 Received: from fgwmail5.fujitsu.co.jp ([192.51.44.35]:53793 "EHLO fgwmail5.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752557AbZGEJXf (ORCPT ); Sun, 5 Jul 2009 05:23:35 -0400 X-SecurityPolicyCheck-FJ: OK by FujitsuOutboundMailChecker v1.3.1 From: KOSAKI Motohiro To: LKML , linux-mm , Andrew Morton , Wu Fengguang , Christoph Lameter , David Rientjes , Rik van Riel Subject: [PATCH 1/5] add per-zone statistics to show_free_areas() Cc: kosaki.motohiro@jp.fujitsu.com In-Reply-To: <20090705181400.08F1.A69D9226@jp.fujitsu.com> References: <20090705181400.08F1.A69D9226@jp.fujitsu.com> Message-Id: <20090705182259.08F6.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Mailer: Becky! ver. 2.50.07 [ja] Date: Sun, 5 Jul 2009 18:23:35 +0900 (JST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1968 Lines: 60 Subject: [PATCH] add per-zone statistics to show_free_areas() Currently, show_free_area() mainly display system memory usage. but it doesn't display per-zone memory usage information. However, if DMA zone OOM occur, Administrator definitely need to know per-zone memory usage information. Signed-off-by: KOSAKI Motohiro --- mm/page_alloc.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) Index: b/mm/page_alloc.c =================================================================== --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2151,6 +2151,16 @@ void show_free_areas(void) " inactive_file:%lukB" " unevictable:%lukB" " present:%lukB" + " mlocked:%lukB" + " dirty:%lukB" + " writeback:%lukB" + " mapped:%lukB" + " slab_reclaimable:%lukB" + " slab_unreclaimable:%lukB" + " pagetables:%lukB" + " unstable:%lukB" + " bounce:%lukB" + " writeback_tmp:%lukB" " pages_scanned:%lu" " all_unreclaimable? %s" "\n", @@ -2165,6 +2175,16 @@ void show_free_areas(void) K(zone_page_state(zone, NR_INACTIVE_FILE)), K(zone_page_state(zone, NR_UNEVICTABLE)), K(zone->present_pages), + K(zone_page_state(zone, NR_MLOCK)), + K(zone_page_state(zone, NR_FILE_DIRTY)), + K(zone_page_state(zone, NR_WRITEBACK)), + K(zone_page_state(zone, NR_FILE_MAPPED)), + K(zone_page_state(zone, NR_SLAB_RECLAIMABLE)), + K(zone_page_state(zone, NR_SLAB_UNRECLAIMABLE)), + K(zone_page_state(zone, NR_PAGETABLE)), + K(zone_page_state(zone, NR_UNSTABLE_NFS)), + K(zone_page_state(zone, NR_BOUNCE)), + K(zone_page_state(zone, NR_WRITEBACK_TEMP)), zone->pages_scanned, (zone_is_all_unreclaimable(zone) ? "yes" : "no") ); -- 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/