From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qa0-f54.google.com (mail-qa0-f54.google.com [209.85.216.54]) by kanga.kvack.org (Postfix) with ESMTP id 95BA36B013C for ; Tue, 18 Mar 2014 22:11:42 -0400 (EDT) Received: by mail-qa0-f54.google.com with SMTP id w8so7818418qac.41 for ; Tue, 18 Mar 2014 19:11:42 -0700 (PDT) Received: from mx1.redhat.com (mx1.redhat.com. [209.132.183.28]) by mx.google.com with ESMTP id i72si10950875qge.49.2014.03.18.19.11.41 for ; Tue, 18 Mar 2014 19:11:42 -0700 (PDT) Date: Tue, 18 Mar 2014 22:11:31 -0400 From: Dave Jones Subject: Re: bad rss-counter message in 3.14rc5 Message-ID: <20140319021131.GA30018@redhat.com> References: <531F0E39.9020100@oracle.com> <20140311134158.GD32390@moon> <20140311142817.GA26517@redhat.com> <20140311143750.GE32390@moon> <20140311171045.GA4693@redhat.com> <20140311173603.GG32390@moon> <20140311173917.GB4693@redhat.com> <5328F3B4.1080208@oracle.com> <20140319020602.GA29787@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140319020602.GA29787@redhat.com> Sender: owner-linux-mm@kvack.org List-ID: To: Sasha Levin , Hugh Dickins , Cyrill Gorcunov , Andrew Morton , Linux Kernel , linux-mm@kvack.org, Linus Torvalds , Joonsoo Kim , Bob Liu , Konstantin Khlebnikov On Tue, Mar 18, 2014 at 10:06:02PM -0400, Dave Jones wrote: > On Tue, Mar 18, 2014 at 09:32:36PM -0400, Sasha Levin wrote: > > > > Untested patch below: I can't quite say Reported-by, because it may > > > not even be one that you and Sasha have been seeing; but I'm hopeful, > > > remap_file_pages is in the list. > > > > > > Please give this a try, preferably on 3.14-rc or earlier: I've never > > > seen "Bad rss-counter"s there myself (trinity uses remap_file_pages > > > a lot more than most of us); but have seen them on mmotm/next, so > > > some other trigger is coming up there, I'll worry about that once > > > it reaches 3.15-rc. > > > > The patch fixed the "Bad rss-counter" errors I've been seeing both in > > 3.14-rc7 and -next. > > It's looking good here too so far. I'll leave it running overnight to be sure. Of course, that isn't going to happen. Immediately after posting this, I hit the swapops bug. Patch does seem to have cured the bad rss counters though. Dave -- 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