Re: [PATCH] MAINTAINERS: rename MM to MM MISC, add missing files

[Vlastimil Babka <vbabka@suse.cz>]

On 7/22/25 21:27, Lorenzo Stoakes wrote:
> To fit in with other sections within MAINTAINERS for memory management
> files, rename the MEMORY MANAGEMENT section to MEMORY MANAGEMENT - MISC to
> contain files that are not described by other sections.
> 
> We also add missing files to MEMORY MANAGEMENT - MISC and MEMORY MANAGEMENT
> - CORE sections.
> 
> Move over appropriate files to the core section, and 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.
> 
> For the time being, we maintain catch-all mm/ and tools/mm/ entries for MM

This...

> - MISC, though in future we may wish to remove these to make it obvious
> when files don't have assigned entries.
> 
> 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.

... together with this means the pre-existing reviewers of CORE will now get
CC'd on everything under mm/ - I'm not sure if this consequence was apparent
and wanted, so pointing that out. Myself, as long as whole mm/ is there, I'd
rather not be one of the R: purely for volume reasons. The misc files
themselves would have been fine.

> Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
> ---
> 
> Andrew - apologies, but there will likely be some small conflicts here
> given other MAINTAINERS patches move stuff from the MEMORY MANAGEMENT
> section too.
> 
> I kept patches separate in case one ends up having push-back we can still
> have the rest putting missing files in place.
> 
> Note that we also have [0] going through the slab tree, as it seemed a more
> suitable place to do that change to minimise conflicts on that front.
> 
> [0]: https://lore.kernel.org/all/20250722175901.152272-1-lorenzo.stoakes@oracle.com/
> 
> REVIEWERS NOTES:
> 
> This is based on discussions had in [1] both about this newly renamed
> section and where David indicated he was open to maintainership of the misc
> section.
> 
> I am sending un-RFC'd as, while a lot of files being moved about, it seems
> relatively safe to put these files in core/misc and we can move them around
> later if necessary.
> 
> Additionally, on the reviewers being added, these files are broadly files
> that could have been placed in the 'core' section, so this is more or less
> an administrative decision to split into two and so it seems reasonable to
> maintain the same list of people.
> 
> Apologies if this is overly presumptuous, the intent here is for us to
> finally reach a point (with the other patches applied) where (as far as I
> can tell) every memory management-related file should now have MAINTAINERS
> entries.
> 
> [1]: https://lore.kernel.org/all/20250616203844.566056-1-lorenzo.stoakes@oracle.com/
> 
>  MAINTAINERS | 82 +++++++++++++++++++++++++++++++++++++----------------
>  1 file changed, 57 insertions(+), 25 deletions(-)
> 

<trim>

> +MEMORY MANAGEMENT - MISC
> +M:	Andrew Morton <akpm@linux-foundation.org>
> +M:	David Hildenbrand <david@redhat.com>
> +R:	Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
> +R:	Liam R. Howlett <Liam.Howlett@oracle.com>
> +R:	Vlastimil Babka <vbabka@suse.cz>
> +R:	Mike Rapoport <rppt@kernel.org>
> +R:	Suren Baghdasaryan <surenb@google.com>
> +R:	Michal Hocko <mhocko@suse.com>
> +L:	linux-mm@kvack.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
> +F:	include/linux/mempool.h
> +F:	include/linux/memremap.h

Weren't a bunch of these moved to other sections already?

> +F:	include/linux/mmu_notifier.h
> +F:	include/trace/events/ksm.h
> +F:	mm/
> +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/mm/
> +F:	tools/testing/selftests/mm/
> +
>  MEMORY MANAGEMENT - NUMA MEMBLOCKS AND NUMA EMULATION
>  M:	Andrew Morton <akpm@linux-foundation.org>
>  M:	Mike Rapoport <rppt@kernel.org>
> --
> 2.50.1