From d51ac82dd2c871ec0f9165bb210ea2f342fa59db Mon Sep 17 00:00:00 2001
From: Shea Levy <slevy@anduril.com>
Date: Fri, 9 Jan 2026 23:22:15 -0500
Subject: [PATCH] systemd: Delegate cgroup management without turning on
 controllers.

Nix currently doesn't do any resource control, and Delegate=yes turns on all the controllers.

In particular, this enables using cpusets with cgroups V1 alongside the Nix daemon.
---
 misc/systemd/nix-daemon.service.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/misc/systemd/nix-daemon.service.in b/misc/systemd/nix-daemon.service.in
index b3055cfe2..531498fa6 100644
--- a/misc/systemd/nix-daemon.service.in
+++ b/misc/systemd/nix-daemon.service.in
@@ -11,7 +11,7 @@ ExecStart=@@bindir@/nix-daemon nix-daemon --daemon
 KillMode=process
 LimitNOFILE=1048576
 TasksMax=1048576
-Delegate=yes
+Delegate=
 
 [Install]
 WantedBy=multi-user.target