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From:   Kalle Valo <kvalo@kernel.org>
To:     David Hildenbrand <david@redhat.com>
Cc:     Zi Yan <ziy@nvidia.com>, linux-mm@kvack.org,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Steven Rostedt <rostedt@goodmis.org>,
        Vlastimil Babka <vbabka@suse.cz>,
        Mel Gorman <mgorman@techsingularity.net>,
        Mike Rapoport <rppt@kernel.org>,
        Oscar Salvador <osalvador@suse.de>,
        Andrew Morton <akpm@linux-foundation.org>,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] mm: page_alloc: simplify pageblock migratetype check in __free_one_page().
References: <20220401135820.1453829-1-zi.yan@sent.com>
        <134f56da-e827-2d29-75ba-1ec88ae2b118@redhat.com>
        <66F9766D-A7D8-4310-9FA9-5EC8B2CC341C@nvidia.com>
        <85520c49-5ef9-25f2-d6fa-f8b26e5dfec2@redhat.com>
        <6696fb21-090c-37c6-77a7-79423cc9c703@redhat.com>
Date:   Sat, 02 Apr 2022 10:45:33 +0300
In-Reply-To: <6696fb21-090c-37c6-77a7-79423cc9c703@redhat.com> (David
        Hildenbrand's message of "Fri, 1 Apr 2022 16:32:58 +0200")
Message-ID: <87sfqwszc2.fsf@tynnyri.adurom.net>
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David Hildenbrand <david@redhat.com> writes:

> On 01.04.22 16:22, David Hildenbrand wrote:
>> On 01.04.22 16:19, Zi Yan wrote:
>>> On 1 Apr 2022, at 10:12, David Hildenbrand wrote:
>>>
>>>> On 01.04.22 15:58, Zi Yan wrote:
>>>>
>>>> It's weird, your mails arrive on my end as empty body with attachment. I
>>>> first suspected Thunderbird, but I get the same result on the google
>>>> mail web client.
>>>>
>>>> Not sure why that happens.
>>>
>>> No idea. They look fine (except mangled links by outlook) on my outlook
>>> desk client and web client on my side. lore looks OK too:
>>> https://lore.kernel.org/linux-mm/20220401135820.1453829-1-zi.yan@sent.com/
>> 
>> I can spot in the raw mail I receive
>> 
>> "Content-Type: application/octet-stream; x-default=true"
>> 
>> But that seems to differ to the lore mail:
>> 
>> https://lore.kernel.org/linux-mm/20220401135820.1453829-1-zi.yan@sent.com/raw
>> 
>> 
>> Maybe something in my mail server chain decides to do some nasty
>> conversion (grml, wouldn't be the first time)
>> 
>
> Weird thing is that this only happens with your mails. I opened an
> internal ticket, sorry for the noise.

Zi's patch emails I received didn't have Content-Type, that might have
something to do with this. (But his reply later in the thread did have
one.) Also last week I got one patch email with no Content-Type either
and my Gnus decided to convert it to octet-stream, I guess to be on the
safe side. No idea if something similar is happening to you, but wanted
to mention it anyway.

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