21 lines
561 B
Nix
21 lines
561 B
Nix
{ lib, config, pkgs, ... }:
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with lib;
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let
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# TODO: move this dawg
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cfg = config.modules.software.system.zswap;
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in {
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options.modules.software.system.zswap = {
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enable = mkEnableOption "Enable zswap, a compressed RAM cache for swap pages";
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};
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config = mkIf cfg.enable {
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boot.kernelParams = [
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"zswap.enabled=1"
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"zswap.shrinker_enabled=1" # high mem: shrink zswap, mv to swap
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"zswap.max_pool_percent=20" # TODO: tune this (keep in mind shrinker is enabled)
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"zswap.compressor=zstd"
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"zswap.zpool=zsmalloc"
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];
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};
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}
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