Re: [PATCH] MAINTAINERS: add an entry for MEMORY MANAGEMENT - MEMORY MAP

[Muchun Song <muchun.song@linux.dev>]

> On Oct 19, 2026, at 19:34, Mike Rapoport (Microsoft) <rppt@kernel.org> wrote:
> 
> Split out files related to SPARSE and SPARSE_VMEMMAP management from
> MEMORY MANAGEMENT - CORE into a dedicated entry.
> 
> Also include architecture specific sparsemem.h headers, pfn_to_page() and
> page_to_pfn() conversions and Documentation/mm/memory-model.rst.
> 
> Muchun, who did a lot of work cleaning up SPARSE_VMEMMAP and extending
> vmemmap optimization, volunteered to help with the maintenance.

Thanks for your trust. Happy to help maintain this.

> 
> David and I will continue to look after that part of the mm subsystem.
> 
> Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>

Acked-by: Muchun Song <muchun.song@linux.dev>

Thanks.

> ---
> MAINTAINERS | 18 +++++++++++++++---
> 1 file changed, 15 insertions(+), 3 deletions(-)
> 
> diff --git a/MAINTAINERS b/MAINTAINERS
> index f53047aa8d3c..b468ecdf8c65 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -17161,9 +17161,6 @@ F:    mm/mmzone.c
> F:    mm/pagewalk.c
> F:    mm/pgtable-generic.c
> F:    mm/ptdump.c
> -F:    mm/sparse-vmemmap.c
> -F:    mm/sparse.c
> -F:    mm/sparse.h
> F:    mm/util.c
> F:    mm/vmpressure.c
> F:    mm/vmstat.c
> @@ -17210,6 +17207,21 @@ F:    include/trace/events/ksm.h
> F:    mm/ksm.c
> F:    mm/mm_slot.h
> 
> +MEMORY MANAGEMENT - MEMORY MAP
> +M:    Muchun Song <muchun.song@linux.dev>
> +M:    Mike Rapoport <rppt@kernel.org>
> +M:    David Hildenbrand <david@kernel.org>
> +L:    linux-mm@kvack.org
> +S:    Maintained
> +T:    git git://git.kernel.org/pub/scm/linux/kernel/git/mm/core.git memmap
> +F:    Documentation/mm/memory-model.rst
> +F:    arch/*/include/asm/sparsemem.h
> +F:    include/asm-generic/memory_model.h
> +F:    mm/sparse-vmemmap.c
> +F:    mm/sparse.c
> +F:    mm/sparse.h
> +K:    (?i:vmemmap)
> +
> MEMORY MANAGEMENT - MGLRU (MULTI-GEN LRU)
> M:    Andrew Morton <akpm@linux-foundation.org>
> R:    Kairui Song <kasong@tencent.com>
> 
> ---
> base-commit: 24a19b953e2a3d0ea5a8c4951a0ab8f32720c907
> change-id: 20261019-memmap-maint-72fec54e6752
> 
> --
> Sincerely yours,
> Mike.
>