common: enable swap

thanks for convincing me
https://chrisdown.name/2018/01/02/in-defence-of-swap.html

2 files changed, 11 insertions, 1 deletions

diff --git a/os/cez/hardware-configuration.nix b/os/cez/hardware-configuration.nix
index 056f65a..90a73b9 100644
--- a/os/cez/hardware-configuration.nix
+++ b/os/cez/hardware-configuration.nix
@@ -11,6 +11,11 @@
   hardware.amdgpu.initrd.enable = false;
   services.xserver.videoDrivers = [ "modesetting" ];
 
+  swapDevices = [{
+    device = "/swapfile";
+    size = 14 * 1024; # 14GB
+  }];
+
   boot = {
     loader.systemd-boot.enable = true;
     blacklistedKernelModules = [ "k10temp" ];
diff --git a/os/common/configuration.nix b/os/common/configuration.nix
index 16f6c4d..047b153 100644
--- a/os/common/configuration.nix
+++ b/os/common/configuration.nix
@@ -1,4 +1,4 @@
-{ config, ... }: let
+{ config, lib, ... }: let
   host = config.networking.hostName;
 in {
   disabledModules = [
@@ -18,6 +18,11 @@ in {
   time.timeZone = "Asia/Kolkata";
   networking.useDHCP = false;
 
+  swapDevices = lib.mkDefault [{
+    device = "/swapfile";
+    size = 2048; # 2GB
+  }];
+
   sops = {
     defaultSopsFile = ../${host}/secrets.yaml;
     age.keyFile = "/var/secrets/${host}.sops";