From: Hugh Dickins hughd@google.com
commit 3647ebcfbfca384840231fe13fae665453238a61 upstream.
I know nothing of ia64 htlbpage_to_page(), but guess that the p4d line should be using taddr rather than addr, like everywhere else.
Link: https://lkml.kernel.org/r/732eae88-3beb-246-2c72-281de786740@google.com Fixes: c03ab9e32a2c ("ia64: add support for folded p4d page tables") Signed-off-by: Hugh Dickins <hughd@google.com Acked-by: Mike Kravetz mike.kravetz@oracle.com Acked-by: Mike Rapoport (IBM) rppt@kernel.org Cc: Ard Biesheuvel ardb@kernel.org Cc: stable@vger.kernel.org Signed-off-by: Andrew Morton akpm@linux-foundation.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- arch/ia64/mm/hugetlbpage.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/ia64/mm/hugetlbpage.c +++ b/arch/ia64/mm/hugetlbpage.c @@ -58,7 +58,7 @@ huge_pte_offset (struct mm_struct *mm, u
pgd = pgd_offset(mm, taddr); if (pgd_present(*pgd)) { - p4d = p4d_offset(pgd, addr); + p4d = p4d_offset(pgd, taddr); if (p4d_present(*p4d)) { pud = pud_offset(p4d, taddr); if (pud_present(*pud)) {