From 1c3b826c7328cd596528c8f18bf2c0d6de37cfaa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?ryan4yin=20=7C=20=E4=BA=8C=E8=8A=B1?= <ryan4yin@linux.com>
Date: Mon, 21 Sep 2026 01:41:26 +0800
Subject: [PATCH] fix(kubevirt): use the correct earlyoom option name (#281)

services.earlyoom.freeMemThresholdPercent does not exist in this nixpkgs; the module exposes freeMemThreshold/freeSwapThreshold. Just enable earlyoom with its defaults (trigger at 10% free mem/swap).
---
 lib/genKubeVirtHostModule.nix | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/lib/genKubeVirtHostModule.nix b/lib/genKubeVirtHostModule.nix
index d1704bbe..5c41a79e 100644
--- a/lib/genKubeVirtHostModule.nix
+++ b/lib/genKubeVirtHostModule.nix
@@ -58,11 +58,8 @@ in
 
   # zram itself is provided by modules/nixos/base/zram.nix (enabled by default).
   # Kill the greediest process before the host starts thrashing / gets OOM-killed.
-  services.earlyoom = {
-    enable = true;
-    freeMemThresholdPercent = 5;
-    freeSwapThresholdPercent = 5;
-  };
+  # (defaults: trigger at 10% free mem / swap, kill hard at half of that.)
+  services.earlyoom.enable = true;
 
   environment.systemPackages = with pkgs; [
     # Validate Hardware Virtualization Support via: