mkosi: Add a swap partition

systemd-oomd keeps complaining about the lack of swap partition, so
let's add one.

diff --git a/mkosi.presets/system/mkosi.extra/usr/lib/repart.d/15-swap.conf b/mkosi.presets/system/mkosi.extra/usr/lib/repart.d/15-swap.conf
new file mode 100644 (file)
index 0000000..3755278
--- /dev/null
+++ b/mkosi.presets/system/mkosi.extra/usr/lib/repart.d/15-swap.conf
@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+[Partition]
+Type=swap
+SizeMinBytes=100M
+SizeMaxBytes=100M