diff --git a/hosts/k8s/kubevirt-shoryu/default.nix b/hosts/k8s/kubevirt-shoryu/default.nix
index cd198a92..0afb026b 100644
--- a/hosts/k8s/kubevirt-shoryu/default.nix
+++ b/hosts/k8s/kubevirt-shoryu/default.nix
@@ -49,4 +49,16 @@ in {
       coreModule
       k3sModule
     ];
+
+  # https://kubevirt.io/user-guide/compute/hugepages/
+  boot.kernelParams = [
+    # disable transparent hugepage(allocate hugepages dynamically)
+    "transparent_hugepage=never"
+
+    # pre-allocate hugepages manually(for kubevirt guest vms)
+    # NOTE: the hugepages allocated here can not be used for other purposes!
+    # so we should left some memory for the host OS
+    "hugepagesz=1G"
+    "hugepages=56"
+  ];
 }
diff --git a/hosts/k8s/kubevirt-shushou/default.nix b/hosts/k8s/kubevirt-shushou/default.nix
index 75eb8545..98ce3c61 100644
--- a/hosts/k8s/kubevirt-shushou/default.nix
+++ b/hosts/k8s/kubevirt-shushou/default.nix
@@ -43,4 +43,16 @@ in {
       coreModule
       k3sModule
     ];
+
+  # https://kubevirt.io/user-guide/compute/hugepages/
+  boot.kernelParams = [
+    # disable transparent hugepage(allocate hugepages dynamically)
+    "transparent_hugepage=never"
+
+    # pre-allocate hugepages manually(for kubevirt guest vms)
+    # NOTE: the hugepages allocated here can not be used for other purposes!
+    # so we should left some memory for the host OS
+    "hugepagesz=1G"
+    "hugepages=56"
+  ];
 }
diff --git a/hosts/k8s/kubevirt-youko/default.nix b/hosts/k8s/kubevirt-youko/default.nix
index 00a5a0c2..9f17b04e 100644
--- a/hosts/k8s/kubevirt-youko/default.nix
+++ b/hosts/k8s/kubevirt-youko/default.nix
@@ -43,4 +43,16 @@ in {
       coreModule
       k3sModule
     ];
+
+  # https://kubevirt.io/user-guide/compute/hugepages/
+  boot.kernelParams = [
+    # disable transparent hugepage(allocate hugepages dynamically)
+    "transparent_hugepage=never"
+
+    # pre-allocate hugepages manually(for kubevirt guest vms)
+    # NOTE: the hugepages allocated here can not be used for other purposes!
+    # so we should left some memory for the host OS
+    "hugepagesz=1G"
+    "hugepages=18"
+  ];
 }