Index: external/bsd/drm2/ttm/ttm_bo_vm.c
===================================================================
RCS file: /cvsroot/src/sys/external/bsd/drm2/ttm/ttm_bo_vm.c,v
retrieving revision 1.11
diff -p -u -r1.11 ttm_bo_vm.c
--- external/bsd/drm2/ttm/ttm_bo_vm.c	27 Aug 2018 07:53:28 -0000	1.11
+++ external/bsd/drm2/ttm/ttm_bo_vm.c	17 Dec 2018 20:26:05 -0000
@@ -164,7 +164,7 @@ ttm_bo_uvm_fault(struct uvm_faultinfo *u
 		else
 			pgprot = ttm_io_prot(bo->mem.placement, vm_prot);
 		if ((*u.ttm->bdev->driver->ttm_tt_populate)(u.ttm)) {
-			ret = -ENOMEM;
+			ret = -ERESTART;
 			goto out2;
 		}
 	}