Re: [PATCH v2] s390: fix HugeTLB vmemmap optimization crash

[Heiko Carstens]

On Thu, Oct 30, 2025 at 10:54:47AM -0400, Luiz Capitulino wrote:
> On 2025-10-30 10:38, Gerald Schaefer wrote:
> > On Wed, 29 Oct 2025 13:49:53 +0100
> > Heiko Carstens <hca@xxxxxxxxxxxxx> wrote:
> > Therefore, we should disable ARCH_WANT_OPTIMIZE_HUGETLB_VMEMMAP again, for
> > now. Doing it right would most likely require common code changes and
> > CRDTE / CSPG usage on s390. Not sure if this feature is really worth the
> > hassle, reading all the drawbacks that I mentioned in my commit 00a34d5a99c0
> > ("s390: select ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP").
> 
> OK, let's do the right thing. Do you plan to post a patch? I can do it
> if you would like.

It is already in your inbox :)