On Thu, 16 Dec 2021 20:33:42 +1000, Nicholas Piggin wrote:
> pmd_huge() is defined to false when HUGETLB_PAGE is not configured, but
> the vmap code still installs huge PMDs. This leads to false bad PMD
> errors when vunmapping because it is not seen as a huge PTE, and the bad
> PMD check catches i
pmd_huge() is defined to false when HUGETLB_PAGE is not configured, but
the vmap code still installs huge PMDs. This leads to false bad PMD
errors when vunmapping because it is not seen as a huge PTE, and the bad
PMD check catches it. The end result may not be much more serious than
some bad pmd wa
