From d9c03b64479cc04d3f78b3c43b6ddecd52c17add Mon Sep 17 00:00:00 2001
From: Shea Levy <shea@shealevy.com>
Date: Tue, 7 Aug 2012 17:34:10 -0400
Subject: [PATCH] The kernel needs swap support if swapDevices are enabled

---
 modules/config/swap.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/modules/config/swap.nix b/modules/config/swap.nix
index 163de568d0f7..5b20f657e129 100644
--- a/modules/config/swap.nix
+++ b/modules/config/swap.nix
@@ -73,4 +73,10 @@ with pkgs.lib;
 
   };
 
+  config = mkIf ((length config.swapDevices) != 0) {
+    system.requiredKernelConfig = with config.lib.kernelConfig; [
+      (isYes "SWAP")
+    ];
+  };
+
 }