linux-kernel - Re: [PATCH v3 1/1] nvmet-tcp: Don't kmap() pages which can't come from HIGHMEM

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Message-ID: <Yw/zXJdO3/x5dGdb@ZenIV>
Date:   Thu, 1 Sep 2022 00:48:44 +0100
From:   Al Viro <viro@...iv.linux.org.uk>
To:     "Fabio M. De Francesco" <fmdefrancesco@...il.com>
Cc:     Sagi Grimberg <sagi@...mberg.me>, Christoph Hellwig <hch@....de>,
        Chaitanya Kulkarni <kch@...dia.com>,
        James Smart <james.smart@...adcom.com>,
        Ira Weiny <ira.weiny@...el.com>,
        "Venkataramanan, Anirudh" <anirudh.venkataramanan@...el.com>,
        linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Chaitanya Kulkarni <chaitanyak@...dia.com>,
        Keith Busch <kbusch@...nel.org>
Subject: Re: [PATCH v3 1/1] nvmet-tcp: Don't kmap() pages which can't come
 from HIGHMEM

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...