Re: [PATCH v2 3/3] mm: use vma_start_write_killable() in process_vma_walk_lock()
From: Suren Baghdasaryan
Date: Tue Feb 17 2026 - 15:34:08 EST
On Tue, Feb 17, 2026 at 11:15 AM Heiko Carstens <hca@xxxxxxxxxxxxx> wrote:
>
> 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 <surenb@xxxxxxxxxx>
> > ---
> > 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.
Hmm. My patchset is based on mm-new. I guess the code was modified in
some other tree. Could you please provide a link to that patchset so I
can track it? I'll probably remove this patch from my set until that
one is merged.