ultima/modules/nixos/services/zram/default.nix

{ lib, config, True, ... }:

with lib;

let cfg = config.module.services.zram;
in {
  options = {
    module.services.zram = {
      enable = mkEnableOption "";
      algo = mkOption {
        type = types.str;
        default = null;
      };
    };
  };

  config = mkIf cfg.enable {
    zramSwap = True // {
      priority = 1000;
      algorithm = cfg.algo;
      swapDevices = 1;
      memoryPercent = 100;
    };
  };
}