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[79.139.233.37]) by smtp.googlemail.com with ESMTPSA id e8sm1577443ljb.45.2020.01.29.09.18.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 29 Jan 2020 09:18:58 -0800 (PST) Subject: Re: [PATCH 3/5] mm/mremap: use pmd_addr_end to calculate next in move_page_tables() To: Andrew Morton 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 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> From: Dmitry Osipenko Message-ID: Date: Wed, 29 Jan 2020 20:18:56 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.3.0 MIME-Version: 1.0 In-Reply-To: <20200126185951.c9246349befcccce210a4ab8@linux-foundation.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 27.01.2020 05:59, Andrew Morton =D0=BF=D0=B8=D1=88=D0=B5=D1=82: > On Sun, 26 Jan 2020 17:47:57 +0300 Dmitry Osipenko w= rote: ... >> Hello Wei, >> >> Starting with next-20200122, I'm seeing the following in KMSG on NVIDI= A >> 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 fi= x, >> thanks in advance. >=20 > Thanks. I had these tagged for 5.7-rc1 anyway, so I'll drop all five > patches. >=20 Hello Andrew, FYI, I'm still seeing the offending patches in the today's next-20200129.