Re: [PATCH v3] arm64: mm: hugetlb: Enable HUGETLB_PAGE_FREE_VMEMMAP for arm64

[Muchun Song]

On Thu, Mar 31, 2022 at 10:41 AM Andrew Morton
<akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> On Wed, 30 Mar 2022 22:54:00 +0800 Muchun Song <songmuchun@xxxxxxxxxxxxx> wrote:
>
> > --- a/fs/Kconfig
> > +++ b/fs/Kconfig
> > @@ -247,7 +247,7 @@ config HUGETLB_PAGE
> >
> >  config HUGETLB_PAGE_FREE_VMEMMAP
> >       def_bool HUGETLB_PAGE
> > -     depends on X86_64
> > +     depends on X86_64 || ARM64
>
> This list is just going to get longer, until someone goes and switches
> it to use ARCH_WANT_HUGETLB_PAGE_FREE_VMEMMAP or whatever.  Why not do
> that now?

Good suggestion. Yep, the line is going to be long if someone
wants to enable it for other architectures in the future.  Will do.
Thanks.