diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 61c52cd5f77b775e82bf508b7550742bae06a709..bd12e8c8bc7b4702c8d31c37b4a2250959099af6 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -801,8 +801,19 @@ static bool vma_has_reserves(struct vm_area_struct *vma, long chg)
 	}
 
 	/* Shared mappings always use reserves */
-	if (vma->vm_flags & VM_MAYSHARE)
-		return true;
+	if (vma->vm_flags & VM_MAYSHARE) {
+		/*
+		 * We know VM_NORESERVE is not set.  Therefore, there SHOULD
+		 * be a region map for all pages.  The only situation where
+		 * there is no region map is if a hole was punched via
+		 * fallocate.  In this case, there really are no reverves to
+		 * use.  This situation is indicated if chg != 0.
+		 */
+		if (chg)
+			return false;
+		else
+			return true;
+	}
 
 	/*
 	 * Only the process that called mmap() has reserves for