From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail203.messagelabs.com (mail203.messagelabs.com [216.82.254.243]) by kanga.kvack.org (Postfix) with SMTP id 455776B006A for ; Thu, 9 Jul 2009 03:56:22 -0400 (EDT) Received: from m3.gw.fujitsu.co.jp ([10.0.50.73]) by fgwmail5.fujitsu.co.jp (Fujitsu Gateway) with ESMTP id n698BKC5002078 for (envelope-from kosaki.motohiro@jp.fujitsu.com); Thu, 9 Jul 2009 17:11:20 +0900 Received: from smail (m3 [127.0.0.1]) by outgoing.m3.gw.fujitsu.co.jp (Postfix) with ESMTP id F284745DE56 for ; Thu, 9 Jul 2009 17:11:19 +0900 (JST) Received: from s3.gw.fujitsu.co.jp (s3.gw.fujitsu.co.jp [10.0.50.93]) by m3.gw.fujitsu.co.jp (Postfix) with ESMTP id B3A4445DE54 for ; Thu, 9 Jul 2009 17:11:19 +0900 (JST) Received: from s3.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s3.gw.fujitsu.co.jp (Postfix) with ESMTP id 8B4E01DB8045 for ; Thu, 9 Jul 2009 17:11:19 +0900 (JST) Received: from ml13.s.css.fujitsu.com (ml13.s.css.fujitsu.com [10.249.87.103]) by s3.gw.fujitsu.co.jp (Postfix) with ESMTP id 3E0051DB803C for ; Thu, 9 Jul 2009 17:11:19 +0900 (JST) From: KOSAKI Motohiro Subject: [PATCH 2/5] add buffer cache information to show_free_areas() In-Reply-To: <20090709165820.23B7.A69D9226@jp.fujitsu.com> References: <20090709165820.23B7.A69D9226@jp.fujitsu.com> Message-Id: <20090709171027.23C0.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Date: Thu, 9 Jul 2009 17:11:18 +0900 (JST) Sender: owner-linux-mm@kvack.org To: LKML Cc: kosaki.motohiro@jp.fujitsu.com, linux-mm , Andrew Morton , Wu Fengguang , Christoph Lameter , David Rientjes , Rik van Riel , Hugh Dickins List-ID: ChangeLog 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() 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 Acked-by: Wu Fengguang --- 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), -- 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