Re: [RFC PATCH] MAINTAINERS: add ABI documents for mm

[David Hildenbrand (Arm)]

On 5/30/26 03:18, SeongJae Park wrote:
> A few mm subsystem entries in MAINTAINERS are missing their ABI
> documents.  Add those.

Maybe spell out "testing ABI" in here + subject, because I was concerned there
for a second :)

> 
> Signed-off-by: SeongJae Park <sj@xxxxxxxxxx>
> ---
> 1. I found no better place for mm, mm-cma, mm-memory-tiers, and mm-numa,
>    so put those on the 'MM - MISC' section.  This is an RFC mainly
>    because I want to know if it concerns someone.
> 
>  MAINTAINERS | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/MAINTAINERS b/MAINTAINERS
> index e119182a8911d..a31f6f207afd8 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -16854,6 +16854,7 @@ 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/ABI/testing/sysfs-kernel-mm-ksm

Makes sense.

>  F:	Documentation/admin-guide/mm/ksm.rst
>  F:	Documentation/mm/ksm.rst
>  F:	include/linux/ksm.h
> @@ -16876,6 +16877,8 @@ 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/ABI/testing/sysfs-kernel-mm-mempolicy
> +F:	Documentation/ABI/testing/sysfs-kernel-mm-mempolicy-weighted-interleave

Makes sense.

>  F:	include/linux/mempolicy.h
>  F:	include/uapi/linux/mempolicy.h
>  F:	include/linux/migrate.h
> @@ -16918,6 +16921,10 @@ 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/ABI/testing/sysfs-kernel-mm

Maybe that one should go to CORE? But MISC works for me as well.

> +F:	Documentation/ABI/testing/sysfs-kernel-mm-cma

Given that CMA is here, sounds about right.

> +F:	Documentation/ABI/testing/sysfs-kernel-mm-memory-tiers

Given that memory tiering stuff is in here, makes sense I guess.

> +F:	Documentation/ABI/testing/sysfs-kernel-mm-numa

That's all about page demotion for vmscan ... but again, also belongs to memory
tiering. So makes sense.

>  F:	Documentation/admin-guide/mm/
>  F:	Documentation/mm/
>  F:	include/linux/cma.h
> @@ -17041,6 +17048,7 @@ R:	Barry Song <baohua@xxxxxxxxxx>
>  R:	Youngjun Park <youngjun.park@xxxxxxx>
>  L:	linux-mm@xxxxxxxxx
>  S:	Maintained
> +F:	Documentation/ABI/testing/sysfs-kernel-mm-swap
>  F:	Documentation/mm/swap-table.rst
>  F:	include/linux/swap.h
>  F:	include/linux/swapfile.h
> @@ -17068,6 +17076,7 @@ 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/ABI/testing/sysfs-kernel-mm-transparent-hugepage
>  F:	Documentation/admin-guide/mm/transhuge.rst
>  F:	include/linux/huge_mm.h
>  F:	include/linux/khugepaged.h

All LGTM.

Acked-by: David Hildenbrand (Arm) <david@xxxxxxxxxx>

-- 
Cheers,

David