From c3d43331dbefc24fa8079dac827be49c126bca6a Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Tue, 7 Dec 2021 21:27:44 +0100
Subject: tv x220 nix.daemon*: admit NixOS 21.11

---
 tv/2configs/hw/x220.nix | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/tv/2configs/hw/x220.nix b/tv/2configs/hw/x220.nix
index ecbb84a4..a4342fcc 100644
--- a/tv/2configs/hw/x220.nix
+++ b/tv/2configs/hw/x220.nix
@@ -26,6 +26,18 @@ in
          LIBINPUT_MODEL_LENOVO_X220_TOUCHPAD_FW81=1
       '';
     }
+
+    {
+      nix.buildCores = 2;
+      nix.maxJobs = 2;
+    }
+    (if lib.versionAtLeast lib.version "21.11" then {
+      nix.daemonCPUSchedPolicy = "batch";
+      nix.daemonIOSchedPriority = 1;
+    } else {
+      nix.daemonIONiceLevel = 1;
+      nix.daemonNiceLevel = 1;
+    })
   ];
 
   boot.extraModulePackages = [
@@ -54,12 +66,6 @@ in
     START_CHARGE_THRESH_BAT0 = 80;
   };
 
-  nix = {
-    buildCores = 2;
-    maxJobs = 2;
-    daemonIONiceLevel = 1;
-    daemonNiceLevel = 1;
-  };
 
   services.logind.extraConfig = ''
     HandleHibernateKey=ignore
-- 
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