Try and reduce Khanda's swappiness

flake.lock

@@ -252,11 +252,11 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1718883385,
-        "narHash": "sha256-nLKMEZc6im82lfSdVPIBwff8OEYLlGVPpcZPvtpOFx4=",
+        "lastModified": 1718894893,
+        "narHash": "sha256-hxQBUtDbFOCCW1CsFZTS9Q5Ov1ZKdJgbBZHSez1M6iA=",
         "ref": "master",
-        "rev": "0307a32b553f81056edd6455168c635aeda6743b",
-        "revCount": 1730,
+        "rev": "083823b7904e43a4fc1c7229781417e875359a42",
+        "revCount": 1733,
         "type": "git",
         "url": "https://github.com/NixOS/nixos-hardware"
       },
@@ -300,11 +300,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1718530797,
-        "narHash": "sha256-pup6cYwtgvzDpvpSCFh1TEUjw2zkNpk8iolbKnyFmmU=",
+        "lastModified": 1718895438,
+        "narHash": "sha256-k3JqJrkdoYwE3fHE6xGDY676AYmyh4U2Zw+0Bwe5DLU=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "b60ebf54c15553b393d144357375ea956f89e9a9",
+        "rev": "d603719ec6e294f034936c0d0dc06f689d91b6c3",
         "type": "github"
       },
       "original": {

hosts/Khanda/hardware-configuration.nix

@@ -53,6 +53,11 @@
       };
     };
 
+    kernel.sysctl = {
+      # Try to reduce swappiness - Khanda hates paging, even to NVMe storage
+      "vm.swappiness" = 20;
+    };
+
     kernelModules = [
       "kvm-intel"
       "tpm_crb"