linux-kernel - Re: [PATCH v5 2/3] memremap: rename MEMORY_DEVICE_DEVDAX to MEMORY_DEVICE

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Message-ID: <CAPcyv4isGqsNXqz7tmVbu3UZMNSpZUphCKUkyBMgWYwv5o6OLw@mail.gmail.com>
Date:   Thu, 24 Sep 2020 12:02:40 -0700
From:   Dan Williams <dan.j.williams@...el.com>
To:     Roger Pau Monne <roger.pau@...rix.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Ira Weiny <ira.weiny@...el.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Vishal Verma <vishal.l.verma@...el.com>,
        Dave Jiang <dave.jiang@...el.com>,
        Jason Gunthorpe <jgg@...pe.ca>,
        "Aneesh Kumar K.V" <aneesh.kumar@...ux.ibm.com>,
        Johannes Thumshirn <jthumshirn@...e.de>,
        Logan Gunthorpe <logang@...tatee.com>,
        Juergen Gross <jgross@...e.com>,
        linux-nvdimm <linux-nvdimm@...ts.01.org>,
        xen-devel <xen-devel@...ts.xenproject.org>,
        Linux MM <linux-mm@...ck.org>
Subject: Re: [PATCH v5 2/3] memremap: rename MEMORY_DEVICE_DEVDAX to MEMORY_DEVICE_GENERIC

On Tue, Sep 1, 2020 at 1:33 AM Roger Pau Monne <roger.pau@...rix.com> wrote:
>
> This is in preparation for the logic behind MEMORY_DEVICE_DEVDAX also
> being used by non DAX devices.
>

FWIW I would not call this MEMORY_DEVICE_GENERIC. This is really
MEMORY_DEVICE_SIMPLE and the kernel-doc can clarify in contrast to the
other MEMORY_DEVICE types this type implies no need for driver or
filesystem notification when a page goes idle.