From 40529fbdcb14faa42292dc0b5b58d7ecd3bf7043 Mon Sep 17 00:00:00 2001
From: Rodrigo Arias Mallo <rodrigo.arias@bsc.es>
Date: Tue, 17 Jun 2025 14:04:46 +0200
Subject: [PATCH] Disable NUMA balancing in fox
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See: https://www.kernel.org/doc/html/latest/admin-guide/sysctl/kernel.html#numa-balancing

Reviewed-by: Aleix Boné <abonerib@bsc.es>
---
 m/fox/configuration.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/m/fox/configuration.nix b/m/fox/configuration.nix
index cc0527e1..a1a33fd0 100644
--- a/m/fox/configuration.nix
+++ b/m/fox/configuration.nix
@@ -22,6 +22,9 @@
   # Use performance for benchmarks
   powerManagement.cpuFreqGovernor = "performance";
 
+  # Disable NUMA balancing
+  boot.kernel.sysctl."kernel.numa_balancing" = 0;
+
   services.openssh.settings.X11Forwarding = true;
 
   networking = {