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Date:   Thu, 1 Sep 2022 00:48:44 +0100
From:   Al Viro <viro@zeniv.linux.org.uk>
To:     "Fabio M. De Francesco" <fmdefrancesco@gmail.com>
Cc:     Sagi Grimberg <sagi@grimberg.me>, Christoph Hellwig <hch@lst.de>,
        Chaitanya Kulkarni <kch@nvidia.com>,
        James Smart <james.smart@broadcom.com>,
        Ira Weiny <ira.weiny@intel.com>,
        "Venkataramanan, Anirudh" <anirudh.venkataramanan@intel.com>,
        linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org,
        Chaitanya Kulkarni <chaitanyak@nvidia.com>,
        Keith Busch <kbusch@kernel.org>
Subject: Re: [PATCH v3 1/1] nvmet-tcp: Don't kmap() pages which can't come
 from HIGHMEM
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On Tue, Aug 30, 2022 at 10:06:54PM +0200, Fabio M. De Francesco wrote:

> Thanks so much for the time you spent writing this detailed explanation. I 
> really appreciated that you spend time for teaching newcomers with kindness 
> and patience.

*blink*

You are welcome, but TBH answering your question took about 5 minutes.
The question had been fairly simple and reasonable, and the lack of
in-tree documentation covering that is my own fault, so...