Re: [v2 06/16] mm: rename ARCH_ENABLE_THP_MIGRATION to ARCH_SUPPORTS_PMD_SOFTLEAF

[Zi Yan]

On 2 Jun 2026, at 10:24, Usama Arif wrote:

> CONFIG_ARCH_ENABLE_THP_MIGRATION started life gating just PMD-level
> migration entries, but has grown to gate the entire PMD-level softleaf
> machinery: migration entries, device-private entries, and soon swap
> entries.
>
> Rename CONFIG_ARCH_ENABLE_THP_MIGRATION to CONFIG_ARCH_SUPPORTS_PMD
> _SOFTLEAF to make this clear.  This is a pure rename: the set of
> selecting architectures (x86, arm64, s390, riscv, loongarch, and
> powerpc on PPC_BOOK3S_64) and the gating semantics are unchanged.
>
> No functional change intended.
>
> Signed-off-by: Usama Arif <usama.arif@xxxxxxxxx>
> ---
>  arch/arm64/Kconfig                           | 2 +-
>  arch/arm64/include/asm/pgtable.h             | 4 ++--
>  arch/loongarch/Kconfig                       | 2 +-
>  arch/powerpc/include/asm/book3s/64/pgtable.h | 2 +-
>  arch/powerpc/platforms/Kconfig.cputype       | 2 +-
>  arch/riscv/Kconfig                           | 2 +-
>  arch/riscv/include/asm/pgtable.h             | 8 ++++----
>  arch/s390/Kconfig                            | 2 +-
>  arch/s390/include/asm/pgtable.h              | 2 +-
>  arch/x86/Kconfig                             | 2 +-
>  arch/x86/include/asm/pgtable.h               | 2 +-
>  include/linux/huge_mm.h                      | 2 +-
>  include/linux/leafops.h                      | 8 ++++----
>  include/linux/pgtable.h                      | 2 +-
>  include/linux/swapops.h                      | 6 +++---
>  mm/Kconfig                                   | 2 +-
>  mm/debug_vm_pgtable.c                        | 8 ++++----
>  mm/hmm.c                                     | 4 ++--
>  mm/huge_memory.c                             | 2 +-
>  mm/migrate.c                                 | 4 ++--
>  mm/migrate_device.c                          | 6 +++---
>  mm/rmap.c                                    | 2 +-
>  22 files changed, 38 insertions(+), 38 deletions(-)
>
Makes sense to me.

Acked-by: Zi Yan <ziy@xxxxxxxxxx>

--
Best Regards,
Yan, Zi