Benjamin Herrenschmidt <b...@au1.ibm.com> writes: > On Thu, 2017-06-22 at 13:59 +1000, Michael Ellerman wrote: >> It's unsupported in Linux because it doesn't match the page table >> geometry. >> >> We merged a patch from Aneesh to filter it out in 4.12-rc1: >> >> a525108cf1cc ("powerpc/mm/hugetlb: Filter out hugepage size not supported >> by page table layout") >> >> I guess we should probably send that patch to stable et. al. > > It's also not supported in HW afaik, why is it there ?
Because hostboot said so AIUI. cheers