linux-kernel - Re: [PATCH v2] MAINTAINERS: add MM MISC section, add missing files to MISC and CORE

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Message-ID: <cbf19dfd-f1a2-4fec-bee4-137df33098d6@redhat.com>
Date: Wed, 23 Jul 2025 12:36:49 +0200
From: David Hildenbrand <david@...hat.com>
To: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>,
 Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-mm@...ck.org, linux-kernel@...r.kernel.org,
 "Liam R . Howlett" <Liam.Howlett@...cle.com>,
 Vlastimil Babka <vbabka@...e.cz>, Mike Rapoport <rppt@...nel.org>,
 Suren Baghdasaryan <surenb@...gle.com>, Michal Hocko <mhocko@...e.com>
Subject: Re: [PATCH v2] MAINTAINERS: add MM MISC section, add missing files to
 MISC and CORE

On 23.07.25 11:58, Lorenzo Stoakes wrote:
> Add a MEMORY MANAGEMENT - MISC section to contain files that are not described
> by other sections, moving all but the catch-all mm/ and tools/mm/ from MEMORY
> MANAGEMENT to MEMORY MANAGEMENT - CORE and MEMORY MANAGEMENT - MISC as
> appropriate.

Curious: do we need the catch-all because of untracked files, or because 
of future files?

> 
> In both sections add remaining missing files. At this point, with the other
> recent MAINTAINERS changes, this should now mean that every memory
> management-related file has a section and assigned maintainers/reviewers.
> 
> Finally, we copy across the maintainers/reviewers from MEMORY MANAGEMENT -
> CORE to MEMORY MANAGEMENT - MISC, as it seems the two are sufficiently
> related for this to be sensible.
> 
> Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
> Acked-by: Mike Rapoport (Microsoft) <rppt@...nel.org>
> ---
> 
> v2:
> * Propagate ack (thanks Mike!)
> * Retain MEMORY MANAGEMENT section to contain the global mm/ and tools/mm/
>    directories and remove from MEMORY MANAGEMENT - MISC section, I misunderstood
>    how these catch-alls would work. As reported by Vlastimil.
> * Update cover letter and subject to reflect the above.
> 
> v1:
> https://lore.kernel.org/all/20250722192704.164758-1-lorenzo.stoakes@oracle.com/
> 
> 
>   MAINTAINERS | 68 ++++++++++++++++++++++++++++++++++++++++++-----------
>   1 file changed, 54 insertions(+), 14 deletions(-)
> 
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 507a999f1955..5a9d4c57add4 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -15741,22 +15741,8 @@ S:	Maintained
>   W:	http://www.linux-mm.org
>   T:	git git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
>   T:	quilt git://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new
> -F:	Documentation/admin-guide/mm/
> -F:	Documentation/mm/
> -F:	include/linux/gfp.h
> -F:	include/linux/gfp_types.h
> -F:	include/linux/memory_hotplug.h
> -F:	include/linux/memory-tiers.h
> -F:	include/linux/mempolicy.h
> -F:	include/linux/mempool.h
> -F:	include/linux/mmzone.h
> -F:	include/linux/mmu_notifier.h
> -F:	include/linux/pagewalk.h
> -F:	include/trace/events/ksm.h
>   F:	mm/
>   F:	tools/mm/
> -F:	tools/testing/selftests/mm/
> -N:	include/linux/page[-_]*
> 
>   MEMORY MANAGEMENT - CORE
>   M:	Andrew Morton <akpm@...ux-foundation.org>
> @@ -15771,18 +15757,32 @@ 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/gfp.h
> +F:	include/linux/gfp_types.h
>   F:	include/linux/memory.h
>   F:	include/linux/mm.h
>   F:	include/linux/mm_*.h
> +F:	include/linux/mmzone.h
>   F:	include/linux/mmdebug.h
>   F:	include/linux/pagewalk.h
>   F:	kernel/fork.c
>   F:	mm/Kconfig
>   F:	mm/debug.c
> +F:	mm/folio-compat.c
> +F:	mm/highmem.c
>   F:	mm/init-mm.c
> +F:	mm/internal.h
> +F:	mm/maccess.c
>   F:	mm/memory.c
> +F:	mm/mmzone.c
>   F:	mm/pagewalk.c
> +F:	mm/pgtable-generic.c
> +F:	mm/sparse-vmemmap.c
> +F:	mm/sparse.c
>   F:	mm/util.c
> +F:	mm/vmpressure.c
> +F:	mm/vmstat.c
> +N:	include/linux/page[-_]*
> 
>   MEMORY MANAGEMENT - EXECMEM
>   M:	Andrew Morton <akpm@...ux-foundation.org>
> @@ -15844,6 +15844,46 @@ F:	mm/mempolicy.c
>   F:	mm/migrate.c
>   F:	mm/migrate_device.c
> 
> +MEMORY MANAGEMENT - MISC
> +M:	Andrew Morton <akpm@...ux-foundation.org>
> +M:	David Hildenbrand <david@...hat.com>
> +R:	Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
> +R:	Liam R. Howlett <Liam.Howlett@...cle.com>
> +R:	Vlastimil Babka <vbabka@...e.cz>
> +R:	Mike Rapoport <rppt@...nel.org>
> +R:	Suren Baghdasaryan <surenb@...gle.com>
> +R:	Michal Hocko <mhocko@...e.com>
> +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:	Documentation/admin-guide/mm/
> +F:	Documentation/mm/
> +F:	include/linux/memory-tiers.h
> +F:	include/linux/mempolicy.h

That is already under "MEMORY MANAGEMENT - MEMORY POLICY AND MIGRATION"

> +F:	include/linux/mempool.h
> +F:	include/linux/memremap.h

That will be MEMORY_HOTPLUG, right?

> +F:	include/linux/mmu_notifier.h
> +F:	include/trace/events/ksm.h

This is already in the KSM section.

> +F:	mm/backing-dev.c
> +F:	mm/cma.c
> +F:	mm/cma_debug.c
> +F:	mm/cma_sysfs.c
> +F:	mm/dmapool.c
> +F:	mm/dmapool_test.c
> +F:	mm/early_ioremap.c
> +F:	mm/fadvise.c
> +F:	mm/io-mapping.c
> +F:	mm/ioremap.c
> +F:	mm/mapping_dirty_helpers.c
> +F:	mm/memory-tiers.c
> +F:	mm/mmu_notifier.c
> +F:	mm/page_idle.c
> +F:	mm/pgalloc-track.h
> +F:	mm/process_vm_access.c
> +F:	mm/ptdump.c
> +F:	tools/testing/selftests/mm/

Kind-of a catch-all as well.


-- 
Cheers,

David / dhildenb