From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail191.messagelabs.com (mail191.messagelabs.com [216.82.242.19]) by kanga.kvack.org (Postfix) with SMTP id 56A206B0055 for ; Sun, 5 Jul 2009 13:53:47 -0400 (EDT) Received: from m6.gw.fujitsu.co.jp ([10.0.50.76]) by fgwmail5.fujitsu.co.jp (Fujitsu Gateway) with ESMTP id n659O94H025275 for (envelope-from kosaki.motohiro@jp.fujitsu.com); Sun, 5 Jul 2009 18:24:09 +0900 Received: from smail (m6 [127.0.0.1]) by outgoing.m6.gw.fujitsu.co.jp (Postfix) with ESMTP id C0D4145DE52 for ; Sun, 5 Jul 2009 18:24:08 +0900 (JST) Received: from s6.gw.fujitsu.co.jp (s6.gw.fujitsu.co.jp [10.0.50.96]) by m6.gw.fujitsu.co.jp (Postfix) with ESMTP id 9CF2E45DE4F for ; Sun, 5 Jul 2009 18:24:08 +0900 (JST) Received: from s6.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s6.gw.fujitsu.co.jp (Postfix) with ESMTP id 6125AE0800B for ; Sun, 5 Jul 2009 18:24:08 +0900 (JST) Received: from m106.s.css.fujitsu.com (m106.s.css.fujitsu.com [10.249.87.106]) by s6.gw.fujitsu.co.jp (Postfix) with ESMTP id 12725E08003 for ; Sun, 5 Jul 2009 18:24:08 +0900 (JST) From: KOSAKI Motohiro Subject: [PATCH 2/5] add buffer cache information to show_free_areas() In-Reply-To: <20090705181400.08F1.A69D9226@jp.fujitsu.com> References: <20090705181400.08F1.A69D9226@jp.fujitsu.com> Message-Id: <20090705182337.08F9.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Date: Sun, 5 Jul 2009 18:24:07 +0900 (JST) Sender: owner-linux-mm@kvack.org To: LKML , linux-mm , Andrew Morton , Wu Fengguang , Christoph Lameter , David Rientjes , Rik van Riel Cc: kosaki.motohiro@jp.fujitsu.com List-ID: Subject: [PATCH] add buffer cache information to show_free_areas() When administrator analysis memory shortage reason from OOM log, They often need to know rest number of cache like pages. Then, show_free_areas() shouldn't only display page cache, but also it should display buffer cache. Signed-off-by: KOSAKI Motohiro --- 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 buffer:%lu unstable:%lu\n" " free:%lu slab_reclaimable:%lu slab_unreclaimable:%lu\n" " mapped:%lu pagetables:%lu bounce:%lu\n", global_page_state(NR_ACTIVE_ANON), @@ -2128,6 +2128,7 @@ void show_free_areas(void) global_page_state(NR_UNEVICTABLE), global_page_state(NR_FILE_DIRTY), global_page_state(NR_WRITEBACK), + K(nr_blockdev_pages()), global_page_state(NR_UNSTABLE_NFS), global_page_state(NR_FREE_PAGES), global_page_state(NR_SLAB_RECLAIMABLE), -- 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