diff --git a/mm/memory.c b/mm/memory.c
index ce22a25..607098d4 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3396,7 +3396,7 @@
 	 * run pte_offset_map on the pmd, if an huge pmd could
 	 * materialize from under us from a different thread.
 	 */
-	if (unlikely(__pte_alloc(mm, vma, pmd, address)))
+	if (unlikely(pmd_none(*pmd)) && __pte_alloc(mm, vma, pmd, address))
 		return VM_FAULT_OOM;
 	/* if an huge pmd materialized from under us just retry later */
 	if (unlikely(pmd_trans_huge(*pmd)))