diff --git a/sys/dev/nvme/nvme_ns.c b/sys/dev/nvme/nvme_ns.c
--- a/sys/dev/nvme/nvme_ns.c
+++ b/sys/dev/nvme/nvme_ns.c
@@ -473,7 +473,7 @@
 	case BIO_DELETE:
 		dsm_range =
 		    malloc(sizeof(struct nvme_dsm_range), M_NVME,
-		    M_ZERO | M_WAITOK);
+		    M_ZERO | M_NOWAIT);
 		if (!dsm_range) {
 			err = ENOMEM;
 			break;