From 99f2ef62a36468778385f969294edd369e6bd828 Mon Sep 17 00:00:00 2001
From: Antoine Martin <antoine@alarsyo.net>
Date: Tue, 26 Apr 2022 15:28:16 +0200
Subject: [PATCH] zephyrus: enable swapfile

---
 hosts/zephyrus/hardware-configuration.nix | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/hosts/zephyrus/hardware-configuration.nix b/hosts/zephyrus/hardware-configuration.nix
index 21c98d3..d9e1c75 100644
--- a/hosts/zephyrus/hardware-configuration.nix
+++ b/hosts/zephyrus/hardware-configuration.nix
@@ -48,7 +48,18 @@ in {
     fsType = "vfat";
   };
 
-  swapDevices = [];
+  fileSystems."/swap" = {
+    device = "/dev/disk/by-uuid/6395cef1-c30b-450a-917c-cfb3c0380642";
+    fsType = "btrfs";
+    options = ["subvol=@swap" "compress=zstd" "noatime"];
+  };
+
+  swapDevices = [
+    {
+      device = "/swap/swapfile";
+      size = 1024 * 8; # half of RAM size
+    }
+  ];
 
   powerManagement.cpuFreqGovernor = mkDefault "powersave";