linux-kernel - Re: [PATCH] MAINTAINERS: add additional mmap-related files to mmap section

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Message-ID: <1bac2893-4013-4a33-9a78-413f1b9368f7@lucifer.local>
Date: Tue, 17 Jun 2025 15:29:47 +0100
From: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
To: David Hildenbrand <david@...hat.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
        "Liam R . Howlett" <Liam.Howlett@...cle.com>,
        Vlastimil Babka <vbabka@...e.cz>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, Jann Horn <jannh@...gle.com>,
        Pedro Falcato <pfalcato@...e.de>
Subject: Re: [PATCH] MAINTAINERS: add additional mmap-related files to mmap
 section

On Mon, Jun 16, 2025 at 11:17:09PM +0200, David Hildenbrand wrote:
> On 16.06.25 22:35, Lorenzo Stoakes wrote:
> > msync and nommu are directly related to memory mapping, memfd and mincore
> > are less so but are roughly speaking operating on virtual memory mappings
> > from the point of view of the user so this seems the most appropriate place
> > for them.
> >
> > Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
> > ---
> >   MAINTAINERS | 6 +++++-
> >   1 file changed, 5 insertions(+), 1 deletion(-)
> >
> > diff --git a/MAINTAINERS b/MAINTAINERS
> > index 4523a6409186..a5d1ff923a62 100644
> > --- a/MAINTAINERS
> > +++ b/MAINTAINERS
> > @@ -15735,7 +15735,6 @@ F:	Documentation/admin-guide/mm/
> >   F:	Documentation/mm/
> >   F:	include/linux/gfp.h
> >   F:	include/linux/gfp_types.h
> > -F:	include/linux/memfd.h
> >   F:	include/linux/memory_hotplug.h
> >   F:	include/linux/memory-tiers.h
> >   F:	include/linux/mempolicy.h
> > @@ -15974,12 +15973,17 @@ L:	linux-mm@...ck.org
> >   S:	Maintained
> >   W:	http://www.linux-mm.org
> >   T:	git git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
> > +F:	include/linux/memfd.h
> >   F:	include/trace/events/mmap.h
> > +F:	mm/memfd.c
>
> This is much more shmem related than it is mapping related (I mean, there is
> almost nothing mapping related in there)?
>
> > +F:	mm/mincore.c
> >   F:	mm/mlock.c
> >   F:	mm/mmap.c
> >   F:	mm/mprotect.c
> >   F:	mm/mremap.c
> >   F:	mm/mseal.c
> > +F:	mm/msync.c
> > +F:	mm/nommu.c
>
> There is a lot of mmap logic in there, correct. + a bunch of other weird
> things ... :(

:) Sounds like the kernel in general...

>
> --
> Cheers,
>
> David / dhildenb
>