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From:   John Dorminy <jdorminy@redhat.com>
Date:   Thu, 30 Apr 2020 22:38:10 -0400
Message-ID: <CAMeeMh_9N0ORhPM8EmkGeeuiDoQY3+QoAPX5QBuK7=gsC5ONng@mail.gmail.com>
Subject: Re: [PATCH 21/29] mm: remove the pgprot argument to __vmalloc
To:     Wei Liu <wei.liu@kernel.org>
Cc:     Christoph Hellwig <hch@lst.de>,
        Andrew Morton <akpm@linux-foundation.org>,
        "K. Y. Srinivasan" <kys@microsoft.com>,
        Haiyang Zhang <haiyangz@microsoft.com>,
        Stephen Hemminger <sthemmin@microsoft.com>, x86@kernel.org,
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        Daniel Vetter <daniel@ffwll.ch>,
        Laura Abbott <labbott@redhat.com>,
        Sumit Semwal <sumit.semwal@linaro.org>,
        Sakari Ailus <sakari.ailus@linux.intel.com>,
        Minchan Kim <minchan@kernel.org>,
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        Robin Murphy <robin.murphy@arm.com>,
        Christophe Leroy <christophe.leroy@c-s.fr>,
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>> On Tue, Apr 14, 2020 at 03:13:40PM +0200, Christoph Hellwig wrote:
>> > The pgprot argument to __vmalloc is always PROT_KERNEL now, so remove
>> > it.

Greetings;

I recently noticed this change via the linux-next tree.

It may not be possible to edit at this late date, but the change
description refers to PROT_KERNEL, which is a symbol which does not
appear to exist; perhaps PAGE_KERNEL was meant? The mismatch caused me
and a couple other folks some confusion briefly until we decided it
was supposed to be PAGE_KERNEL; if it's not too late, editing the
description to clarify so would be nice.

Many thanks.

John Dorminy