Re: [PATCH 5/7] MAINTAINERS: add missing files to MM component sections

From: Lorenzo Stoakes (ARM)

Date: Sat Oct 31 2026 - 05:23:50 EST

On Fri, Oct 30, 2026 at 10:34:29PM +0100, David Hildenbrand (Arm) wrote:
> We want to make sure that MM components cover all relevant MM files. The
> generic "MEMORY MANAGEMENT" sections will probably go away at some
> point.

You mean MISC or the MEMORY MANAGEMENT - prefixes?

Latter are useful just for tracking what's mm in general I think but I guess
debatable.

'MEMORY MAPPING' of course breaks this rule :P

>
> We have a bunch of files that are not explicitly tracked under MM
> components. Let's add these missing files.
>
> Split up tools/mm to the appropriate components, but still add it also
> under MISC, similar to what we did with selftests.
>
> Don't split up selftests for now. They are covered by MISC and some
> sections name them separately.
>
> Some files like
>
> - include/linux/numa.h
> - include/trace/events/kmem.h
> - Documentation/admin-guide/numastat.rst
>
> are a bit fuzzy. Add them to the best fit for now.
>
> Signed-off-by: David Hildenbrand (Arm) <david@xxxxxxxxxx>

Nice, finishing my work for me, I like it ;)

Acked-by: Lorenzo Stoakes (ARM) <ljs@xxxxxxxxxx>

> ---
> MAINTAINERS | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 50 insertions(+)
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index bc82ef545e0aa..98948d159173b 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -6841,8 +6841,10 @@ R: Muchun Song <muchun.song@xxxxxxxxx>
> L: cgroups@xxxxxxxxxxxxxxx
> L: linux-mm@xxxxxxxxx
> S: Maintained
> +F: Documentation/admin-guide/cgroup-v1/memory.rst
> F: include/linux/memcontrol.h
> F: include/linux/page_counter.h
> +F: include/trace/events/memcg.h
> F: mm/memcontrol-v1.c
> F: mm/memcontrol-v1.h
> F: mm/memcontrol.c
> @@ -12349,6 +12351,7 @@ R: David Hildenbrand <david@xxxxxxxxxx>
> L: linux-mm@xxxxxxxxx
> S: Maintained
> F: Documentation/ABI/testing/sysfs-kernel-mm-hugepages
> +F: Documentation/admin-guide/cgroup-v1/hugetlb.rst
> F: Documentation/admin-guide/mm/hugetlbpage.rst
> F: Documentation/mm/hugetlbfs_reserv.rst
> F: Documentation/mm/vmemmap_dedup.rst
> @@ -12360,6 +12363,7 @@ F: mm/hugetlb.c
> F: mm/hugetlb_cgroup.c
> F: mm/hugetlb_cma.c
> F: mm/hugetlb_cma.h
> +F: mm/hugetlb_internal.h
> F: mm/hugetlb_sysctl.c
> F: mm/hugetlb_sysfs.c
> F: mm/hugetlb_vmemmap.c
> @@ -12379,6 +12383,7 @@ M: Miaohe Lin <linmiaohe@xxxxxxxxxx>
> R: Naoya Horiguchi <nao.horiguchi@xxxxxxxxx>
> L: linux-mm@xxxxxxxxx
> S: Maintained
> +F: Documentation/ABI/testing/sysfs-memory-page-offline
> F: include/linux/memory-failure.h
> F: include/trace/events/memory-failure.h
> F: mm/hwpoison-inject.c
> @@ -17424,6 +17429,7 @@ M: Oscar Salvador <osalvador@xxxxxxx>
> L: linux-mm@xxxxxxxxx
> L: linux-cxl@xxxxxxxxxxxxxxx
> S: Maintained
> +F: Documentation/ABI/testing/sysfs-devices-memory
> F: Documentation/admin-guide/mm/memory-hotplug.rst
> F: Documentation/core-api/memory-hotplug.rst
> F: drivers/base/memory.c
> @@ -17480,10 +17486,13 @@ 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/sysctl/vm.rst
> +F: Documentation/core-api/gfp_mask-from-fs-io.rst
> F: fs/proc/meminfo.c
> +F: include/linux/cacheflush.h
> F: include/linux/folio_batch.h
> F: include/linux/gfp.h
> F: include/linux/gfp_types.h
> +F: include/linux/highmem-internal.h
> F: include/linux/highmem.h
> F: include/linux/leafops.h
> F: include/linux/memory.h
> @@ -17493,11 +17502,16 @@ F: include/linux/mmdebug.h
> F: include/linux/mmu_notifier.h
> F: include/linux/mmzone.h
> F: include/linux/pagewalk.h
> +F: include/linux/pfn.h
> F: include/linux/pgalloc.h
> F: include/linux/pgtable.h
> F: include/linux/ptdump.h
> +F: include/linux/sched/mm.h
> +F: include/linux/vm_event_item.h
> F: include/linux/vmpressure.h
> F: include/linux/vmstat.h
> +F: include/trace/events/mmflags.h
> +F: include/trace/events/pagemap.h
> F: kernel/fork.c
> F: mm/Kconfig
> F: mm/debug.c
> @@ -17516,6 +17530,7 @@ F: mm/ptdump.c
> F: mm/util.c
> F: mm/vmpressure.c
> F: mm/vmstat.c
> +F: scripts/gdb/linux/mm.py
> N: include\/linux\/page[-_][a-zA-Z]*
>
> MEMORY MANAGEMENT - EXECMEM
> @@ -17536,6 +17551,7 @@ L: linux-mm@xxxxxxxxx
> S: Maintained
> W: http://www.linux-mm.org
> T: git git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
> +F: Documentation/core-api/pin_user_pages.rst
> F: mm/gup.c
> F: mm/gup_test.c
> F: mm/gup_test.h
> @@ -17613,6 +17629,7 @@ W: http://www.linux-mm.org
> T: git git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
> F: include/linux/migrate.h
> F: include/linux/migrate_mode.h
> +F: include/trace/events/migrate.h
> F: mm/migrate.c
> F: mm/migrate_device.c
>
> @@ -17636,13 +17653,20 @@ F: Documentation/admin-guide/mm/
> F: Documentation/core-api/memory-allocation.rst
> F: Documentation/core-api/mm-api.rst
> F: Documentation/mm/
> +F: fs/proc/page.c
> +F: include/linux/backing-dev-defs.h
> +F: include/linux/backing-dev.h
> F: include/linux/cma.h
> F: include/linux/dmapool.h
> F: include/linux/ioremap.h
> +F: include/linux/kernel-page-flags.h
> F: include/linux/page_idle.h
> +F: include/trace/events/cma.h
> +F: include/uapi/linux/kernel-page-flags.h
> F: mm/backing-dev.c
> F: mm/char-mem.c
> F: mm/cma.c
> +F: mm/cma.h
> F: mm/cma_debug.c
> F: mm/cma_sysfs.c
> F: mm/dmapool.c
> @@ -17655,7 +17679,9 @@ F: mm/page_idle.c
> F: mm/pgalloc-track.h
> F: mm/process_vm_access.c
> F: tools/lib/mm/
> +F: tools/mm/
> F: tools/testing/selftests/mm/
> +X: Documentation/ABI/testing/sysfs-kernel-mm-damon
> X: Documentation/admin-guide/mm/damon/
> X: Documentation/mm/damon/
>
> @@ -17665,6 +17691,7 @@ M: Mike Rapoport <rppt@xxxxxxxxxx>
> L: linux-mm@xxxxxxxxx
> S: Maintained
> T: git git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock.git
> +F: include/linux/numa.h
> F: include/linux/numa_memblks.h
> F: mm/numa.c
> F: mm/numa_emulation.c
> @@ -17685,6 +17712,7 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
> F: Documentation/ABI/testing/sysfs-kernel-mm-memory-tiers
> F: Documentation/ABI/testing/sysfs-kernel-mm-mempolicy
> F: Documentation/ABI/testing/sysfs-kernel-mm-mempolicy-weighted-interleave
> +F: Documentation/admin-guide/numastat.rst
> F: include/linux/memory-tiers.h
> F: include/linux/mempolicy.h
> F: include/uapi/linux/mempolicy.h
> @@ -17716,6 +17744,9 @@ F: include/linux/compaction.h
> F: include/linux/gfp.h
> F: include/linux/page-isolation.h
> F: include/linux/pageblock-flags.h
> +F: include/trace/events/compaction.h
> +F: include/trace/events/page_isolation.h
> +F: include/trace/events/page_ref.h
> F: mm/compaction.c
> F: mm/debug_page_alloc.c
> F: mm/debug_page_ref.c
> @@ -17732,6 +17763,9 @@ F: mm/page_reporting.h
> F: mm/show_mem.c
> F: mm/shuffle.c
> F: mm/shuffle.h
> +F: scripts/gdb/linux/page_owner.py
> +F: tools/mm/page_owner_filter.c
> +F: tools/mm/page_owner_sort.c
>
> MEMORY MANAGEMENT - RECLAIM
> M: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> @@ -17743,6 +17777,7 @@ R: Shakeel Butt <shakeel.butt@xxxxxxxxx>
> R: Lorenzo Stoakes <ljs@xxxxxxxxxx>
> L: linux-mm@xxxxxxxxx
> S: Maintained
> +F: include/trace/events/vmscan.h
> F: mm/vmscan.c
> F: mm/workingset.c
>
> @@ -17836,10 +17871,12 @@ F: Documentation/admin-guide/mm/transhuge.rst
> F: include/linux/huge_mm.h
> F: include/linux/khugepaged.h
> F: include/trace/events/huge_memory.h
> +F: include/trace/events/thp.h
> F: mm/collapse.h
> F: mm/huge_memory.c
> F: mm/khugepaged.c
> F: mm/mm_slot.h
> +F: tools/mm/thpmaps
> F: tools/testing/selftests/mm/khugepaged.c
> F: tools/testing/selftests/mm/split_huge_page_test.c
> F: tools/testing/selftests/mm/transhuge-stress.c
> @@ -17883,9 +17920,15 @@ L: linux-mm@xxxxxxxxx
> S: Maintained
> W: http://www.linux-mm.org
> T: git git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
> +F: Documentation/core-api/protection-keys.rst
> +F: Documentation/filesystems/mmap_prepare.rst
> +F: Documentation/userspace-api/mseal.rst
> F: fs/proc/task_mmu.c
> F: fs/proc/task_nommu.c
> +F: include/linux/mman.h
> +F: include/linux/pkeys.h
> F: include/trace/events/mmap.h
> +F: include/uapi/linux/mman.h
> F: mm/char-mem.c
> F: mm/mincore.c
> F: mm/mlock.c
> @@ -18724,6 +18767,7 @@ M: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
> L: linux-arch@xxxxxxxxxxxxxxx
> L: linux-mm@xxxxxxxxx
> S: Maintained
> +F: Documentation/core-api/cachetlb.rst
> F: arch/*/include/asm/tlb.h
> F: include/asm-generic/tlb.h
> F: include/trace/events/tlb.h
> @@ -21834,6 +21878,7 @@ S: Maintained
> T: git git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu.git
> F: arch/*/include/asm/percpu.h
> F: include/linux/percpu*.h
> +F: include/trace/events/percpu.h
> F: lib/percpu*.c
> F: mm/percpu*.c
> F: mm/percpu-internal.h
> @@ -25555,6 +25600,7 @@ F: include/linux/shrinker.h
> F: mm/list_lru.c
> F: mm/shrinker.c
> F: mm/shrinker_debug.c
> +F: tools/cgroup/memcg_shrinker.py
>
> SH_VOU V4L2 OUTPUT DRIVER
> L: linux-media@xxxxxxxxxxxxxxx
> @@ -25787,10 +25833,12 @@ R: Roman Gushchin <roman.gushchin@xxxxxxxxx>
> L: linux-mm@xxxxxxxxx
> S: Maintained
> T: git git://git.kernel.org/pub/scm/linux/kernel/git/mm/slab.git
> +F: Documentation/ABI/testing/sysfs-kernel-slab
> F: Documentation/admin-guide/mm/slab.rst
> F: Documentation/mm/slab.rst
> F: include/linux/mempool.h
> F: include/linux/slab.h
> +F: include/trace/events/kmem.h
> F: lib/tests/slub_kunit.c
> F: mm/failslab.c
> F: mm/mempool.c
> @@ -29842,9 +29890,11 @@ S: Maintained
> W: http://www.linux-mm.org
> T: git git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
> F: include/linux/vmalloc.h
> +F: include/trace/events/vmalloc.h
> F: lib/test_vmalloc.c
> F: mm/vmalloc.c
> F: mm/vmalloc.h
> +F: scripts/gdb/linux/vmalloc.py
>
> VME SUBSYSTEM
> L: linux-kernel@xxxxxxxxxxxxxxx
>
> --
> 2.43.0
>

--
Cheers, Lorenzo