From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx180.postini.com [74.125.245.180]) by kanga.kvack.org (Postfix) with SMTP id BBB176B0031 for ; Thu, 25 Jul 2013 14:19:41 -0400 (EDT) Received: by mail-oa0-f51.google.com with SMTP id i4so5036621oah.24 for ; Thu, 25 Jul 2013 11:19:40 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <89813612683626448B837EE5A0B6A7CB3B62F8F5C3@SC-VEXCH4.marvell.com> References: <89813612683626448B837EE5A0B6A7CB3B62F8F272@SC-VEXCH4.marvell.com> <000001400d38469d-a121fb96-4483-483a-9d3e-fc552e413892-000000@email.amazonses.com> <89813612683626448B837EE5A0B6A7CB3B62F8F5C3@SC-VEXCH4.marvell.com> From: KOSAKI Motohiro Date: Thu, 25 Jul 2013 14:19:20 -0400 Message-ID: Subject: Re: Possible deadloop in direct reclaim? Content-Type: text/plain; charset=ISO-8859-1 Sender: owner-linux-mm@kvack.org List-ID: To: Lisa Du Cc: Christoph Lameter , "linux-mm@kvack.org" , Mel Gorman , Bob Liu On Tue, Jul 23, 2013 at 9:21 PM, Lisa Du wrote: > Dear Christoph > Thanks a lot for your comment. When this issue happen I just trigger a kernel panic and got the kdump. > From the kdump, I got the global variable pg_data_t congit_page_data. From this structure, I can see in normal zone, only order-0's nr_free = 18442, order-1's nr_free = 367, all the other order's nr_free is 0. Don't you use compaction? Of if use, please get a log by tracepoints. We need to know why it doesn't work. -- 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