Re: [PATCH 0/5] Fix incorrect access of hugetlb pte entries

[Zi Yan]

On Thu Jun 25, 2026 at 7:29 AM EDT, Dev Jain wrote:
> There are various places which use ptep_get() to get the pte entry
> corresponding to a hugetlb folio. Some arches have special handling

I think it is better to mention s390 as a concrete example.

> to compute the pteval, so they provide huge_ptep_get(). Use this
> helper consistently.
>
> Dev Jain (5):
>   mm/rmap: use huge_ptep_get() in try_to_unmap_one()
>   mm/rmap: use huge_ptep_get() in try_to_migrate_one()
>   mm/migrate: use huge_ptep_get() in remove_migration_pte()
>   mm/page_vma_mapped: use huge_ptep_get() for hugetlb
>   mm/mprotect: use huge_ptep_get() for hugetlb
>
>  include/linux/hugetlb.h |  3 +++
>  mm/migrate.c            |  6 +++++-
>  mm/mprotect.c           |  8 +++++++-
>  mm/page_vma_mapped.c    |  8 +++++++-
>  mm/rmap.c               | 32 ++++++++++++++++++++------------
>  5 files changed, 42 insertions(+), 15 deletions(-)




-- 
Best Regards,
Yan, Zi