From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B03B8C35240 for ; Wed, 29 Jan 2020 23:59:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 852C92070E for ; Wed, 29 Jan 2020 23:59:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1580342351; bh=yxkaudjRnjvvfdKWPnNCLoYBv3LloMsyXzwr45ZzU78=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=it/NCgwScI02WYDTvweaHWXEVFaije2ayRYiHRin0Xn1UtoG1DTeAvyB3cCxdoaY5 s9GwU4SEZPV4XXJHuk9jlW79aoMV+ShIX9IRpm6wpZryEkj4y6Z4EBSm94vh3SihSh yp3/Ox3BiuTbkYdvvNzMcR8GVhaYA80Ps1fPmyDY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726980AbgA2X7K (ORCPT ); Wed, 29 Jan 2020 18:59:10 -0500 Received: from mail.kernel.org ([198.145.29.99]:60278 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726617AbgA2X7K (ORCPT ); Wed, 29 Jan 2020 18:59:10 -0500 Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 60269205ED; Wed, 29 Jan 2020 23:59:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1580342348; bh=yxkaudjRnjvvfdKWPnNCLoYBv3LloMsyXzwr45ZzU78=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=cLuVWANomNH0rT6PVVW/FB09C+GLkJj5uCGw3ovSGcUEOHRFFVDPAPxxYR0gh0Nv+ rNcyGRrkz2MGQ9q+Z7eXg5x1wJHt/u0eFEWGdiV25ZvsrWayVp2v21BRkWLQiy3930 etAwh0LVr43xhSG865jgg0JD+Vm2JPvztCMi0lZU= Date: Wed, 29 Jan 2020 15:59:07 -0800 From: Andrew Morton To: Dmitry Osipenko Cc: Wei Yang , dan.j.williams@intel.com, aneesh.kumar@linux.ibm.com, kirill@shutemov.name, yang.shi@linux.alibaba.com, thellstrom@vmware.com, Thierry Reding , Jon Hunter , linux-kernel@vger.kernel.org, linux-mm@kvack.org, "linux-tegra@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , Russell King - ARM Linux , Stephen Rothwell Subject: Re: [PATCH 3/5] mm/mremap: use pmd_addr_end to calculate next in move_page_tables() Message-Id: <20200129155907.75868e8a36c5fffc3ec354b9@linux-foundation.org> In-Reply-To: References: <20200117232254.2792-1-richardw.yang@linux.intel.com> <20200117232254.2792-4-richardw.yang@linux.intel.com> <7147774a-14e9-4ff3-1548-4565f0d214d5@gmail.com> <20200126185951.c9246349befcccce210a4ab8@linux-foundation.org> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.31; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 29 Jan 2020 20:18:56 +0300 Dmitry Osipenko wrote: > 27.01.2020 05:59, Andrew Morton пишет: > > On Sun, 26 Jan 2020 17:47:57 +0300 Dmitry Osipenko wrote: > ... > >> Hello Wei, > >> > >> Starting with next-20200122, I'm seeing the following in KMSG on NVIDIA > >> Tegra (ARM32): > >> > >> BUG: Bad rss-counter state mm:(ptrval) type:MM_ANONPAGES val:190 > >> > >> and eventually kernel hangs. > >> > >> Git's bisection points to this patch and reverting it helps. Please fix, > >> thanks in advance. > > > > Thanks. I had these tagged for 5.7-rc1 anyway, so I'll drop all five > > patches. > > > > Hello Andrew, > > FYI, I'm still seeing the offending patches in the today's next-20200129. hm, me too. Stephen, it's unexpected that 9ff4452912d63f ("mm/mremap: use pmd_addr_end to calculate next in move_page_tables()") is still in the -next lineup? It was dropped from -mm on Jan 26?