diff --git a/mm/gup.c b/mm/gup.c index fe195d47de74a74259cb10729b184ed4ee887ad8..3b7bc2c1fd44c45b49d5a79d428c3af0139df987 100644 --- a/mm/gup.c +++ b/mm/gup.c @@ -2852,7 +2852,7 @@ static int gup_pud_range(p4d_t *p4dp, p4d_t p4d, unsigned long addr, unsigned lo next = pud_addr_end(addr, end); if (unlikely(!pud_present(pud))) return 0; - if (unlikely(pud_huge(pud))) { + if (unlikely(pud_huge(pud) || pud_devmap(pud))) { if (!gup_huge_pud(pud, pudp, addr, next, flags, pages, nr)) return 0;