Index: sys/amd64/amd64/pmap.c
===================================================================
--- sys/amd64/amd64/pmap.c
+++ sys/amd64/amd64/pmap.c
@@ -11348,8 +11348,7 @@
 				continue;
 			}
 			pa = pdpe & PG_FRAME;
-			if (PMAP_ADDRESS_IN_LARGEMAP(sva) &&
-			    vm_phys_paddr_to_vm_page(pa) == NULL)
+			if (PMAP_ADDRESS_IN_LARGEMAP(sva) && pa >= dmaplimit)
 				goto restart;
 			if ((pdpe & PG_PS) != 0) {
 				sva = rounddown2(sva, NBPDP);
@@ -11371,7 +11370,7 @@
 				}
 				pa = pde & PG_FRAME;
 				if (PMAP_ADDRESS_IN_LARGEMAP(sva) &&
-				    vm_phys_paddr_to_vm_page(pa) == NULL)
+				    pa >= dmaplimit)
 					goto restart;
 				if ((pde & PG_PS) != 0) {
 					sva = rounddown2(sva, NBPDR);