update to handle very low mem systems

Makefile

@@ -2536,7 +2536,7 @@ uninstall:
 sign:
 	@openssl req -new -x509 -newkey rsa:2048 -keyout MOK.priv -outform DER -out MOK.der -nodes -days 36500 -subj "/CN=Custom MOK/"
 	@mokutil --import MOK.der
-	@$(KSRC)/scripts/sign-file sha256 MOK.priv MOK.der 8821cu.ko
+	@$(KSRC)/scripts/sign-file sha256 MOK.priv MOK.der 88x2bu.ko
 
 sign-install: all sign install
 

dkms-make.sh

@@ -1,5 +1,8 @@
 #!/bin/sh
 
+# Warning: Do not run this script in a terminal. It is designed to be
+#          run from another script.
+
 # SMEM needs to be set here if dkms build is not initiated by install-driver.sh
 SMEM=$(LANG=C free | awk '/Mem:/ { print $2 }')
 
@@ -11,6 +14,9 @@ if [ "$sproc" -gt 1 ]; then
 	if [ "$SMEM" -lt 1400000 ]; then
 		sproc=2
 	fi
+	if [ "$SMEM" -lt 700000 ]; then
+		sproc=1
+	fi
 fi
 
 kernelver=${kernelver:-$(uname -r)}