From 7d9461808ce40761bbaa73cf27d64a4e89a8e9b0 Mon Sep 17 00:00:00 2001
From: Pierre Bourdon <delroth@gmail.com>
Date: Sat, 13 Jul 2024 04:40:51 +0200
Subject: [PATCH] builders: configure a swapfile + zswap

---
 services/baremetal-builder/default.nix | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/services/baremetal-builder/default.nix b/services/baremetal-builder/default.nix
index 72443b3..af661fa 100644
--- a/services/baremetal-builder/default.nix
+++ b/services/baremetal-builder/default.nix
@@ -51,6 +51,18 @@ in
       options = [ "fmask=0022" "dmask=0022" ];
     };
 
+    swapDevices = [
+      {
+        device = "/swapfile";
+        size = 50 * 1024;  # 50GiB
+      }
+    ];
+
+    zramSwap = {
+      enable = true;
+      memoryPercent = 25;
+    };
+
     boot.kernelParams = [
       "console=ttyS0,115200"
       "console=tty1"