linux-kernel - Re: [RFC PATCH 02/14] mm/hms: heterogenenous memory system (HMS) documentation

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Date:   Wed, 5 Dec 2018 12:52:11 +0200
From:   Mike Rapoport <rppt@...ux.ibm.com>
To:     jglisse@...hat.com
Cc:     linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Ross Zwisler <ross.zwisler@...ux.intel.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Dave Hansen <dave.hansen@...el.com>,
        Haggai Eran <haggaie@...lanox.com>,
        Balbir Singh <balbirs@....ibm.com>,
        "Aneesh Kumar K . V" <aneesh.kumar@...ux.ibm.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Felix Kuehling <felix.kuehling@....com>,
        Philip Yang <Philip.Yang@....com>,
        Christian König <christian.koenig@....com>,
        Paul Blinzer <Paul.Blinzer@....com>,
        Logan Gunthorpe <logang@...tatee.com>,
        John Hubbard <jhubbard@...dia.com>,
        Ralph Campbell <rcampbell@...dia.com>,
        Michal Hocko <mhocko@...nel.org>,
        Jonathan Cameron <jonathan.cameron@...wei.com>,
        Mark Hairgrove <mhairgrove@...dia.com>,
        Vivek Kini <vkini@...dia.com>,
        Mel Gorman <mgorman@...hsingularity.net>,
        Dave Airlie <airlied@...hat.com>,
        Ben Skeggs <bskeggs@...hat.com>,
        Andrea Arcangeli <aarcange@...hat.com>
Subject: Re: [RFC PATCH 02/14] mm/hms: heterogenenous memory system (HMS)
 documentation

On Mon, Dec 03, 2018 at 06:34:57PM -0500, jglisse@...hat.com wrote:
> From: Jérôme Glisse <jglisse@...hat.com>
> 
> Add documentation to what is HMS and what it is for (see patch content).
> 
> Signed-off-by: Jérôme Glisse <jglisse@...hat.com>
> Cc: Rafael J. Wysocki <rafael@...nel.org>
> Cc: Ross Zwisler <ross.zwisler@...ux.intel.com>
> Cc: Dan Williams <dan.j.williams@...el.com>
> Cc: Dave Hansen <dave.hansen@...el.com>
> Cc: Haggai Eran <haggaie@...lanox.com>
> Cc: Balbir Singh <balbirs@....ibm.com>
> Cc: Aneesh Kumar K.V <aneesh.kumar@...ux.ibm.com>
> Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
> Cc: Felix Kuehling <felix.kuehling@....com>
> Cc: Philip Yang <Philip.Yang@....com>
> Cc: Christian König <christian.koenig@....com>
> Cc: Paul Blinzer <Paul.Blinzer@....com>
> Cc: Logan Gunthorpe <logang@...tatee.com>
> Cc: John Hubbard <jhubbard@...dia.com>
> Cc: Ralph Campbell <rcampbell@...dia.com>
> Cc: Michal Hocko <mhocko@...nel.org>
> Cc: Jonathan Cameron <jonathan.cameron@...wei.com>
> Cc: Mark Hairgrove <mhairgrove@...dia.com>
> Cc: Vivek Kini <vkini@...dia.com>
> Cc: Mel Gorman <mgorman@...hsingularity.net>
> Cc: Dave Airlie <airlied@...hat.com>
> Cc: Ben Skeggs <bskeggs@...hat.com>
> Cc: Andrea Arcangeli <aarcange@...hat.com>
> ---
>  Documentation/vm/hms.rst | 275 ++++++++++++++++++++++++++++++++++-----
>  1 file changed, 246 insertions(+), 29 deletions(-)

This document describes userspace API and it's better to put it into
Documentation/admin-guide/mm.
The Documentation/vm is more for description of design and implementation.

I've spotted a couple of typos, but I think it doesn't make sense to nitpick
about them before  v10 or so ;-)
 
> diff --git a/Documentation/vm/hms.rst b/Documentation/vm/hms.rst
> index dbf0f71918a9..bd7c9e8e7077 100644
> --- a/Documentation/vm/hms.rst
> +++ b/Documentation/vm/hms.rst

-- 
Sincerely yours,
Mike.