Re: [PATCH V4 4/4] LoongArch: Enable ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP

[Arnd Bergmann]

On Tue, Jul 5, 2022 at 10:38 AM Muchun Song <songmuchun@xxxxxxxxxxxxx> wrote:
> On Tue, Jul 5, 2022 at 4:06 PM Arnd Bergmann <arnd@xxxxxxxx> wrote:
> > On Tue, Jul 5, 2022 at 9:51 AM Muchun Song <songmuchun@xxxxxxxxxxxxx> wrote:
>
> How about including the static key header in the scope of
> CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP?

That helps a little, but it means we still pay for it on x86 and
arm64, which are the
most common architectures.

       Arnd