fuji: set kern to latest, make boot les verbose, misc tuning

fuji/configuration.nix

@@ -67,7 +67,9 @@ in
     '';
     blacklistedKernelModules = [ ];
 
+    consoleLogLevel = 3;
     initrd.compressor = "zstd";
+    initrd.verbose = false;
     initrd.kernelModules = [ ];
     initrd.systemd.enable = true;
     initrd.luks.devices."cryptroot" = {
@@ -81,8 +83,10 @@ in
     kernelParams = [
       "xe.force_probe=a7a0"
       "i915.force_probe=!a7a0"
+      "quiet"
+      "udev.log_level=3"
     ];
-    #kernelPackages = pkgs.linuxPackages_latest;
+    kernelPackages = pkgs.linuxPackages_latest;
     kernel.sysctl = {
       "net.core.default_qdisc" = "fq";
       "net.ipv4.tcp_congestion_control" = "bbr";
@@ -100,12 +104,18 @@ in
       "net.ipv4.conf.default.send_redirects" = 0;
       "net.ipv6.conf.all.accept_redirects" = 0;
       "net.ipv6.conf.default.accept_redirects" = 0;
+      # zram tuning (recommended by upstream zram docs)
+      "vm.swappiness" = 180;
+      "vm.page-cluster" = 0;
+      "vm.watermark_boost_factor" = 0;
+      "vm.watermark_scale_factor" = 125;
     };
     loader.efi.canTouchEfiVariables = true;
     loader.systemd-boot = {
       editor = false;
       enable = true;
       memtest86.enable = true;
+      configurationLimit = 10;
     };
     nixStoreMountOpts = [ "ro" ];
     supportedFilesystems = [
@@ -254,6 +264,11 @@ in
     sway.enable = true;
   };
 
+  xdg.portal = {
+    enable = true;
+    wlr.enable = true;
+  };
+
   documentation.dev.enable = true;
 
   systemd = {