{ lib , pkgs , ... }: { boot = { consoleLogLevel = 3; initrd = { availableKernelModules = [ "xhci_pci" "thunderbolt" "vmd" "nvme" "usb_storage" "sd_mod" "rtsx_pci_sdmmc" ]; kernelModules = [ "i915" "dm-snapshot" ]; systemd.enable = true; }; kernelModules = [ "kvm-intel" ]; kernelPackages = lib.mkDefault pkgs.linuxPackages_zen; kernelParams = [ "quiet" ]; kernel.sysctl = { "vm.swappiness" = 10; "vm.dirty_ratio" = 3; }; }; powerManagement.cpuFreqGovernor = lib.mkDefault "powersave"; }