{ pkgs, ... }: { boot = { kernelPackages = pkgs.linuxPackages_latest; kernel.sysctl."vm.max_map_count" = 2147483642; initrd = { systemd.enable = true; luks.devices = { crypt-hhd = { device = "/dev/disk/by-uuid/0ab46868-3c54-4a19-bf30-93855eac0a86"; preLVM = true; allowDiscards = true; }; }; }; }; }