Symbol: gup_can_follow_protnone
mm/gup.c
722
if (pmd_protnone(*pmd) && !gup_can_follow_protnone(vma, flags))
mm/gup.c
818
if (pte_protnone(pte) && !gup_can_follow_protnone(vma, flags))
mm/gup.c
917
if (pmd_protnone(pmdval) && !gup_can_follow_protnone(vma, flags))