From: Wanpeng Li <liwanp@linux.vnet.ibm.com>
To: Xishi Qiu <qiuxishi@huawei.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Michal Hocko <mhocko@suse.cz>, Mel Gorman <mgorman@suse.de>,
rientjes@google.com, Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
LKML <linux-kernel@vger.kernel.org>,
linux-mm@kvack.org
Subject: Re: [PATCH V2] mm: add show num_poisoned_pages when oom
Date: Tue, 10 Dec 2013 09:53:34 +0800 [thread overview]
Message-ID: <52a67427.c206440a.62e8.34eeSMTPIN_ADDED_BROKEN@mx.google.com> (raw)
In-Reply-To: <52A670AC.6090504@huawei.com>
On Tue, Dec 10, 2013 at 09:38:52AM +0800, 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 <qiuxishi@huawei.com>
>Suggested-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
>Acked-by: Michal Hocko <mhocko@suse.cz>
>Acked-by: David Rientjes <rientjes@google.com>
Reviewed-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
>---
> 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
> }
>--
>1.7.1
>
>
>--
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next prev parent reply other threads:[~2013-12-10 1:53 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-10 1:38 Xishi Qiu
2013-12-10 1:53 ` Wanpeng Li [this message]
2013-12-10 19:56 ` KOSAKI Motohiro
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