Re: [PATCH] mm/vma: fix expansion of VMA_MIXEDMAP_BIT VMAs

["Lorenzo Stoakes (ARM)" <ljs@kernel.org>]

On Fri, Oct 23, 2026 at 02:11:39PM -0400, Luiz Capitulino wrote:
> > Reported-by: Luiz Capitulino <luizcap@redhat.com>
> > Closes: https://lore.kernel.org/all/20261023023106.515365-1-luizcap@redhat.com/
> > Fixes: ca3d76b0aa80 ("mm: add merging after mremap resize")
> > Cc: stable@vger.kernel.org
> > Signed-off-by: Lorenzo Stoakes (ARM) <ljs@kernel.org>
> > ---
> > Confirmed that this fixes the repro and passes mm selftests and the VMA
> > userland tests.
>
> Thanks a lot for the ultra fast fix and for the attention you gave to
> this issue.

No worries! In VMA, we aim to please ;)

>
> I tested it the same you did and (of course) it worked. I'll work on

Great glad to hear!

> testing it on the environment that reproduced the issue originally, but
> this may take a bit. I'll report back if there's anything unexpected.

Thanks, appreciated! If it's all OK be good to get a Tested-by also.

>
> Another detail is that I see that you CC'ed stable (which is of course
> correct, since this reproduces since v6.1) but I guess this fix won't
> apply since the VMA code has been changing a lot.

Yeah, I'll deal with that when the backports happen :>))

--
Cheers, Lorenzo