From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752231AbZGMGBT (ORCPT ); Mon, 13 Jul 2009 02:01:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750944AbZGMGBQ (ORCPT ); Mon, 13 Jul 2009 02:01:16 -0400 Received: from fgwmail5.fujitsu.co.jp ([192.51.44.35]:56036 "EHLO fgwmail5.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750753AbZGMGBP (ORCPT ); Mon, 13 Jul 2009 02:01:15 -0400 X-SecurityPolicyCheck-FJ: OK by FujitsuOutboundMailChecker v1.3.1 From: KOSAKI Motohiro To: LKML Subject: [PATCH 2/4][resend] add buffer cache information to show_free_areas() Cc: kosaki.motohiro@jp.fujitsu.com, linux-mm , Andrew Morton , Wu Fengguang , Christoph Lameter , Rik van Riel In-Reply-To: <20090713144924.6257.A69D9226@jp.fujitsu.com> References: <20090713144924.6257.A69D9226@jp.fujitsu.com> Message-Id: <20090713150021.625D.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: Mon, 13 Jul 2009 15:01:12 +0900 (JST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org ChangeLog Since v3 - Rewrote the descriptin (Thanks Christoph!) Since v2 - Changed display order, now, "buffer" field display right after unstable Since v1 - Fixed showing the number with kilobyte unit issue ================ Subject: [PATCH] add buffer cache information to show_free_areas() It is often useful to know the statistics for all pages that are handled like page cache pages when looking at OOM log output. Therefore show_free_areas() should also display buffer cache statistics. Signed-off-by: KOSAKI Motohiro Acked-by: Wu Fengguang Reviewed-by: Rik van Riel --- mm/page_alloc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) Index: b/mm/page_alloc.c =================================================================== --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2118,7 +2118,7 @@ void show_free_areas(void) printk("Active_anon:%lu active_file:%lu inactive_anon:%lu\n" " inactive_file:%lu" " unevictable:%lu" - " dirty:%lu writeback:%lu unstable:%lu\n" + " dirty:%lu writeback:%lu unstable:%lu buffer:%lu\n" " free:%lu slab_reclaimable:%lu slab_unreclaimable:%lu\n" " mapped:%lu pagetables:%lu bounce:%lu\n", global_page_state(NR_ACTIVE_ANON), @@ -2129,6 +2129,7 @@ void show_free_areas(void) global_page_state(NR_FILE_DIRTY), global_page_state(NR_WRITEBACK), global_page_state(NR_UNSTABLE_NFS), + nr_blockdev_pages(), global_page_state(NR_FREE_PAGES), global_page_state(NR_SLAB_RECLAIMABLE), global_page_state(NR_SLAB_UNRECLAIMABLE),