linux-kernel - Re: [PATCH 5/6] Documentation for Pmalloc

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Message-ID: <20180212082849.1377f7e6@lwn.net>
Date:   Mon, 12 Feb 2018 08:28:49 -0700
From:   Jonathan Corbet <corbet@....net>
To:     Matthew Wilcox <willy@...radead.org>
Cc:     Igor Stoppa <igor.stoppa@...wei.com>, jglisse@...hat.com,
        keescook@...omium.org, mhocko@...nel.org, labbott@...hat.com,
        hch@...radead.org, cl@...ux.com,
        linux-security-module@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, kernel-hardening@...ts.openwall.com
Subject: Re: [PATCH 5/6] Documentation for Pmalloc

On Fri, 9 Feb 2018 19:37:14 -0800
Matthew Wilcox <willy@...radead.org> wrote:

> I've done this as the first line of my new documentation files:
> 
> .. SPDX-License-Identifier: CC-BY-SA-4.0
> 
> I think this is the CC license that's closest in spirit to the GPL without
> the unintended consequences of the GPL when used on documentation.  The
> GFDL seems to be out of favour these days.

I think that's a great license.  I still fear that it is not suitable for
kernel documentation, though, especially when we produce documents that
include significant text from the (GPL-licensed) kernel source.  The
result is almost certainly not distributable, and I don't think that's a
good thing.  The GPL is not perfect for documentation, but I don't think
that we have a better alternative for in-kernel docs.

jon