From 929cfbf0d4620892e6ad1231c32c9c7b8c9265c4 Mon Sep 17 00:00:00 2001
From: Gregor Kleen <gkleen@yggdrasil.li>
Date: Thu, 25 Dec 2025 19:30:17 +0100
Subject: ...

---
 system-profiles/bcachefs.nix     | 10 ----------
 system-profiles/core/default.nix |  5 +----
 system-profiles/zfs.nix          |  4 ++--
 system-profiles/zswap.nix        | 25 +++++++++++++++++++++++++
 4 files changed, 28 insertions(+), 16 deletions(-)
 create mode 100644 system-profiles/zswap.nix

(limited to 'system-profiles')

diff --git a/system-profiles/bcachefs.nix b/system-profiles/bcachefs.nix
index be12bf20..6090c56d 100644
--- a/system-profiles/bcachefs.nix
+++ b/system-profiles/bcachefs.nix
@@ -2,15 +2,5 @@
   config = {
     boot.supportedFilesystems.bcachefs = true;
     environment.systemPackages = with pkgs; [ bcachefs-tools ];
-
-    boot.kernelPatches = [
-      {
-        name = "bcachefs-casefold-fix";
-        patch = null;
-        structuredExtraConfig = with lib.kernel; {
-          UNICODE = lib.mkOverride 90 no;
-        };
-      }
-    ];
   };
 }
diff --git a/system-profiles/core/default.nix b/system-profiles/core/default.nix
index e5f9dc16..258dd32d 100644
--- a/system-profiles/core/default.nix
+++ b/system-profiles/core/default.nix
@@ -180,10 +180,7 @@ in {
       };
       environment.systemPackages = with pkgs; [ git-annex scutiger ];
     }
-  ] ++ (optional (options ? system.rebuild.enableNg) {
-    system.rebuild.enableNg = lib.mkDefault true;
-  })
-  ++ (optional (options ? services.userborn) {
+  ] ++ (optional (options ? services.userborn) {
     services.userborn = {
       enable = lib.mkDefault true;
       passwordFilesLocation = lib.mkDefault "/var/lib/nixos";
diff --git a/system-profiles/zfs.nix b/system-profiles/zfs.nix
index d4a2175f..c20acb9a 100644
--- a/system-profiles/zfs.nix
+++ b/system-profiles/zfs.nix
@@ -1,8 +1,8 @@
 { config, pkgs, lib, ... } : {
   config = {
     boot = {
-      kernelPackages = lib.mkDefault pkgs.linuxPackages_6_12;
-      zfs.package = lib.mkDefault pkgs.zfs_2_3;
+      kernelPackages = lib.mkDefault pkgs.linuxPackages_6_18;
+      zfs.package = lib.mkDefault pkgs.zfs_2_4;
 
       supportedFilesystems.zfs = true;
     };
diff --git a/system-profiles/zswap.nix b/system-profiles/zswap.nix
new file mode 100644
index 00000000..ac141f55
--- /dev/null
+++ b/system-profiles/zswap.nix
@@ -0,0 +1,25 @@
+{ ... }:
+
+{
+  config = {
+    boot.kernelParams = [
+      "zswap.enabled=1"
+      "zswap.compressor=zstd"
+      "zswap.zpool=zsmalloc"
+      "zswap.max_pool_percent=25"
+      "zswap.accept_threshold_percent=90"
+      "zswap.shrinker_enabled=1"
+    ];
+
+    boot.initrd.kernelModules = [ "zstd" "zsmalloc" ];
+
+    boot.kernel.sysfs.module.zswap.parameters = {
+      enabled = true;
+      compressor = "zstd";
+      zpool = "zsmalloc";
+      max_pool_percent = 25;
+      accept_threshold_percent = 90;
+      shrinker_enabled = true;
+    };
+  };
+}
-- 
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