diff --git a/root/etc/portage/notmpfs.conf b/root/etc/portage/notmpfs.conf
new file mode 100644
index 0000000..ba469cf
--- /dev/null
+++ b/root/etc/portage/notmpfs.conf
@@ -0,0 +1 @@
+PORTAGE_TMPDIR="/var/tmp/portage-notmpfs"
diff --git a/root/etc/portage/package.env b/root/etc/portage/package.env
new file mode 100644
index 0000000..1ccba46
--- /dev/null
+++ b/root/etc/portage/package.env
@@ -0,0 +1,3 @@
+dev-lang/rust			    notmpfs.conf
+www-client/chromium		    notmpfs.conf
+www-client/firefox		    notmpfs.conf