linux-kernel - Re: [PATCH v4 01/15] docs/mm: add document for swap table

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Message-ID: <CACePvbVq698sKmH_oWi448HybDS0EB8DKXte-pFVB5mwvcNA+w@mail.gmail.com>
Date: Wed, 17 Sep 2025 10:12:38 -0700
From: Chris Li <chrisl@...nel.org>
To: SeongJae Park <sj@...nel.org>
Cc: Kairui Song <ryncsn@...il.com>, linux-mm@...ck.org, 
	Andrew Morton <akpm@...ux-foundation.org>, Matthew Wilcox <willy@...radead.org>, 
	Hugh Dickins <hughd@...gle.com>, Barry Song <baohua@...nel.org>, Baoquan He <bhe@...hat.com>, 
	Nhat Pham <nphamcs@...il.com>, Kemeng Shi <shikemeng@...weicloud.com>, 
	Baolin Wang <baolin.wang@...ux.alibaba.com>, Ying Huang <ying.huang@...ux.alibaba.com>, 
	Johannes Weiner <hannes@...xchg.org>, David Hildenbrand <david@...hat.com>, 
	Yosry Ahmed <yosryahmed@...gle.com>, Lorenzo Stoakes <lorenzo.stoakes@...cle.com>, 
	Zi Yan <ziy@...dia.com>, linux-kernel@...r.kernel.org, 
	Kairui Song <kasong@...cent.com>
Subject: Re: [PATCH v4 01/15] docs/mm: add document for swap table

On Wed, Sep 17, 2025 at 9:14 AM SeongJae Park <sj@...nel.org> wrote:
>
> On Wed, 17 Sep 2025 00:00:46 +0800 Kairui Song <ryncsn@...il.com> wrote:
>
> > From: Chris Li <chrisl@...nel.org>
> >
> > Swap table is the new swap cache.
>
> Thank you very much for doing this great work!

I only did the prototype. Kairui did the heavy lifting.

> > Signed-off-by: Chris Li <chrisl@...nel.org>
> > Signed-off-by: Kairui Song <kasong@...cent.com>
> > ---
> >  Documentation/mm/index.rst      |  1 +
> >  Documentation/mm/swap-table.rst | 72 +++++++++++++++++++++++++++++++++
> >  MAINTAINERS                     |  1 +
> >  3 files changed, 74 insertions(+)
> >  create mode 100644 Documentation/mm/swap-table.rst
> >
> > diff --git a/Documentation/mm/index.rst b/Documentation/mm/index.rst
> > index fb45acba16ac..828ad9b019b3 100644
> > --- a/Documentation/mm/index.rst
> > +++ b/Documentation/mm/index.rst
> > @@ -57,6 +57,7 @@ documentation, or deleted if it has served its purpose.
> >     page_table_check
> >     remap_file_pages
> >     split_page_table_lock
> > +   swap-table
> >     transhuge
> >     unevictable-lru
> >     vmalloced-kernel-stacks
>
> The above diff is adding this great document on 'Unsorted Documentation'
> section.  Could we add the document on the main section?  I think swap.rst on
> the main section could be a good place, and wondering what others think.

That is a good idea. Will do together with another minor fix reported
by Barry. I will move it after "swap.rst".

Thanks for the suggestion.

Chris