linux-kernel - Re: [PATCH 3/5] mm/mremap: use pmd_addr_end to calculate next in move_page

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Message-ID: <b5eb4766-38ba-0153-2844-cc303fe0dc07@gmail.com>
Date:   Wed, 29 Jan 2020 20:18:56 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Wei Yang <richardw.yang@...ux.intel.com>, dan.j.williams@...el.com,
        aneesh.kumar@...ux.ibm.com, kirill@...temov.name,
        yang.shi@...ux.alibaba.com, thellstrom@...are.com,
        Thierry Reding <thierry.reding@...il.com>,
        Jon Hunter <jonathanh@...dia.com>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        "linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Russell King - ARM Linux <linux@...linux.org.uk>
Subject: Re: [PATCH 3/5] mm/mremap: use pmd_addr_end to calculate next in
 move_page_tables()

27.01.2020 05:59, Andrew Morton пишет:
> On Sun, 26 Jan 2020 17:47:57 +0300 Dmitry Osipenko <digetx@...il.com> 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.