From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pb0-f50.google.com (mail-pb0-f50.google.com [209.85.160.50]) by kanga.kvack.org (Postfix) with ESMTP id B35F86B003B for ; Tue, 10 Dec 2013 14:56:20 -0500 (EST) Received: by mail-pb0-f50.google.com with SMTP id rr13so8354302pbb.37 for ; Tue, 10 Dec 2013 11:56:20 -0800 (PST) Received: from fgwmail6.fujitsu.co.jp (fgwmail6.fujitsu.co.jp. [192.51.44.36]) by mx.google.com with ESMTPS id yd9si11323384pab.118.2013.12.10.11.56.18 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Tue, 10 Dec 2013 11:56:19 -0800 (PST) Received: from m3.gw.fujitsu.co.jp (unknown [10.0.50.73]) by fgwmail6.fujitsu.co.jp (Postfix) with ESMTP id 87E723EE0B6 for ; Wed, 11 Dec 2013 04:56:17 +0900 (JST) Received: from smail (m3 [127.0.0.1]) by outgoing.m3.gw.fujitsu.co.jp (Postfix) with ESMTP id 792BE45DEBE for ; Wed, 11 Dec 2013 04:56:17 +0900 (JST) Received: from s3.gw.fujitsu.co.jp (s3.gw.nic.fujitsu.com [10.0.50.93]) by m3.gw.fujitsu.co.jp (Postfix) with ESMTP id 5C27245DEB7 for ; Wed, 11 Dec 2013 04:56:17 +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 4BF17E08003 for ; Wed, 11 Dec 2013 04:56:17 +0900 (JST) Received: from m1001.s.css.fujitsu.com (m1001.s.css.fujitsu.com [10.240.81.139]) by s3.gw.fujitsu.co.jp (Postfix) with ESMTP id 009D11DB803C for ; Wed, 11 Dec 2013 04:56:17 +0900 (JST) Message-ID: <52A771EC.4080105@jp.fujitsu.com> Date: Tue, 10 Dec 2013 14:56:28 -0500 From: KOSAKI Motohiro MIME-Version: 1.0 Subject: Re: [PATCH V2] mm: add show num_poisoned_pages when oom References: <52A670AC.6090504@huawei.com> In-Reply-To: <52A670AC.6090504@huawei.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: qiuxishi@huawei.com, akpm@linux-foundation.org, mhocko@suse.cz, mgorman@suse.de, rientjes@google.com, n-horiguchi@ah.jp.nec.com Cc: kosaki.motohiro@jp.fujitsu.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org (12/9/2013 8:38 PM), Xishi Qiu wrote: > Show num_poisoned_pages when oom, it is a little helpful to find the reason. > Also it will be emitted anytime show_mem() is called. > > Signed-off-by: Xishi Qiu > Suggested-by: Naoya Horiguchi > Acked-by: Michal Hocko > Acked-by: David Rientjes > --- > lib/show_mem.c | 3 +++ > 1 files changed, 3 insertions(+), 0 deletions(-) > > diff --git a/lib/show_mem.c b/lib/show_mem.c > index 5847a49..1cbdcd8 100644 > --- a/lib/show_mem.c > +++ b/lib/show_mem.c > @@ -46,4 +46,7 @@ void show_mem(unsigned int filter) > printk("%lu pages in pagetable cache\n", > quicklist_total_size()); > #endif > +#ifdef CONFIG_MEMORY_FAILURE > + printk("%lu pages hwpoisoned\n", atomic_long_read(&num_poisoned_pages)); > +#endif > } Looks ok. Acked-by: KOSAKI Motohiro -- 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