From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qt0-f197.google.com (mail-qt0-f197.google.com [209.85.216.197]) by kanga.kvack.org (Postfix) with ESMTP id BD3DE6B0038 for ; Tue, 16 Aug 2016 03:43:35 -0400 (EDT) Received: by mail-qt0-f197.google.com with SMTP id 93so160394662qtg.1 for ; Tue, 16 Aug 2016 00:43:35 -0700 (PDT) Received: from mx2.suse.de (mx2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id s8si24108971wjo.13.2016.08.16.00.43.34 for (version=TLS1 cipher=AES128-SHA bits=128/128); Tue, 16 Aug 2016 00:43:34 -0700 (PDT) Date: Tue, 16 Aug 2016 09:43:17 +0200 From: Michal Hocko Subject: Re: OOM killer changes Message-ID: <20160816074316.GD5001@dhcp22.suse.cz> References: <20160801202616.GG31957@dhcp22.suse.cz> <27bd5116-f489-252c-f257-97be00786629@Quantum.com> <20160802071010.GB12403@dhcp22.suse.cz> <6cb37d4a-d2dd-6c2f-a65d-51474103bf86@Quantum.com> <20160815150123.GG3360@dhcp22.suse.cz> <1b8ee89d-a851-06f0-6bcc-62fef9e7e7cc@Quantum.com> <20160816073246.GC5001@dhcp22.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160816073246.GC5001@dhcp22.suse.cz> Sender: owner-linux-mm@kvack.org List-ID: To: Ralf-Peter Rohbeck Cc: Vlastimil Babka , "linux-mm@kvack.org" On Tue 16-08-16 09:32:46, Michal Hocko wrote: > On Mon 15-08-16 11:42:11, Ralf-Peter Rohbeck wrote: > > This time the OOM killer hit much quicker. No btrfs balance, just compiling > > the kernel with the new change did it. > > Much smaller logs so I'm attaching them. > > Just to clarify. You have added the trace_printk for > try_to_release_page, right? (after fixing it of course). If yes there is > no single mention of that path failing which would support Joonsoo's > theory... Could you try with his patch? And then it would be great if you could test with the current linux-next tree. Vlastimil has done some changes which might help. But even if they don't then it would be better to add more changes on top of them. -- Michal Hocko SUSE Labs -- 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