pmd_protnone
WARN_ON(!pmd_protnone(pmd));
if (pmd_protnone(pmd))
if (pmd_protnone(*pmd) && !gup_can_follow_protnone(vma, flags))
if (pmd_protnone(pmdval) && !gup_can_follow_protnone(vma, flags))
if (pmd_protnone(pmd))
if (pmd_protnone(pmd))
if (pmd_protnone(*pmd))
if (pmd_protnone(vmf.orig_pmd) && vma_is_accessible(vma))