Subject: Re: [PATCH v2 3/3] mm: use vma_start_write_killable() in process_vma_walk_lock()

From: Heiko Carstens <[email-masked]>
Date: Tue, 17 Feb 2026 20:15:30 +0100

On Tue, Feb 17, 2026 at 08:32:50AM -0800, Suren Baghdasaryan wrote:
> Replace vma_start_write() with vma_start_write_killable() when
> process_vma_walk_lock() is used with PGWALK_WRLOCK option.
> Adjust its direct and indirect users to check for a possible error
> and handle it.
> 
> Signed-off-by: Suren Baghdasaryan <[email-masked]>
> ---
>  arch/s390/kvm/kvm-s390.c |  5 +++--
>  arch/s390/mm/gmap.c      | 13 ++++++++++---
>  fs/proc/task_mmu.c       |  7 ++++++-
>  mm/pagewalk.c            | 20 ++++++++++++++------
>  4 files changed, 33 insertions(+), 12 deletions(-)

The s390 code modified with this patch does not exist upstream
anymore. It has been replaced with Claudio's huge gmap rewrite.