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

["Lorenzo Stoakes (ARM)" <ljs@kernel.org>]

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@kernel.org>

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

Acked-by: Lorenzo Stoakes (ARM) <ljs@kernel.org>

> ---
>  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@linux.dev>
>  L:	cgroups@vger.kernel.org
>  L:	linux-mm@kvack.org
>  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@kernel.org>
>  L:	linux-mm@kvack.org
>  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@huawei.com>
>  R:	Naoya Horiguchi <nao.horiguchi@gmail.com>
>  L:	linux-mm@kvack.org
>  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@suse.de>
>  L:	linux-mm@kvack.org
>  L:	linux-cxl@vger.kernel.org
>  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@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/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@kernel.org>
>  L:	linux-mm@kvack.org
>  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@linux-foundation.org>
> @@ -17743,6 +17777,7 @@ R:	Shakeel Butt <shakeel.butt@linux.dev>
>  R:	Lorenzo Stoakes <ljs@kernel.org>
>  L:	linux-mm@kvack.org
>  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@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/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@infradead.org>
>  L:	linux-arch@vger.kernel.org
>  L:	linux-mm@kvack.org
>  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@vger.kernel.org
> @@ -25787,10 +25833,12 @@ R:	Roman Gushchin <roman.gushchin@linux.dev>
>  L:	linux-mm@kvack.org
>  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@vger.kernel.org
>
> --
> 2.43.0
>

--
Cheers, Lorenzo