From 1c778a5443554a55dd526d67f79b265168953da2 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Fri, 10 Dec 2021 23:43:44 +0100
Subject: tv AO753 nix.daemon*: admit NixOS 21.11

---
 tv/2configs/hw/AO753.nix | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/tv/2configs/hw/AO753.nix b/tv/2configs/hw/AO753.nix
index 469f5c6f..c9afe9a0 100644
--- a/tv/2configs/hw/AO753.nix
+++ b/tv/2configs/hw/AO753.nix
@@ -5,6 +5,18 @@ with import <stockholm/lib>;
 {
   imports = [
     ../smartd.nix
+
+    {
+      nix.buildCores = 2;
+      nix.maxJobs = 2;
+    }
+    (if lib.versionAtLeast (lib.versions.majorMinor lib.version) "21.11" then {
+      nix.daemonCPUSchedPolicy = "batch";
+      nix.daemonIOSchedPriority = 1;
+    } else {
+      nix.daemonIONiceLevel = 1;
+      nix.daemonNiceLevel = 1;
+    })
   ];
 
   boot.loader.grub = {
@@ -29,13 +41,6 @@ with import <stockholm/lib>;
     config.boot.kernelPackages.broadcom_sta
   ];
 
-  nix = {
-    buildCores = 2;
-    maxJobs = 2;
-    daemonIONiceLevel = 1;
-    daemonNiceLevel = 1;
-  };
-
   services.logind.extraConfig = ''
     HandleHibernateKey=ignore
     HandleLidSwitch=ignore
-- 
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