diff --git a/services/xmrig.nix b/services/xmrig.nix
index 0763655..a60b6bd 100644
--- a/services/xmrig.nix
+++ b/services/xmrig.nix
@@ -20,6 +20,7 @@ in
       cpu = {
         enabled = true;
         huge-pages = true;
+        "1gb-pages" = true;
         hw-aes = true;
         rx = lib.range 0 (threadCount - 1);
       };
@@ -50,4 +51,10 @@ in
     onbattery = "systemctl stop xmrig";
     offbattery = "systemctl start xmrig";
   };
+
+  # Reserve 1GB huge pages for RandomX (dataset is ~2GB)
+  boot.kernelParams = [
+    "hugepagesz=1G"
+    "hugepages=3"
+  ];
 }