From 6a03dddcbdcb24bb6cb766789520b5cd5e386007 Mon Sep 17 00:00:00 2001
From: Ryan Yin <xiaoyin_c@qq.com>
Date: Fri, 20 Mar 2026 18:27:24 +0800
Subject: [PATCH] feat: add size limit for root tmpfs

---
 hosts/12kingdoms-shoukei/hardware-configuration.nix | 1 +
 hosts/idols-ai/disko-fs.nix                         | 1 +
 2 files changed, 2 insertions(+)

diff --git a/hosts/12kingdoms-shoukei/hardware-configuration.nix b/hosts/12kingdoms-shoukei/hardware-configuration.nix
index 3e103620..8008c313 100644
--- a/hosts/12kingdoms-shoukei/hardware-configuration.nix
+++ b/hosts/12kingdoms-shoukei/hardware-configuration.nix
@@ -100,6 +100,7 @@ in
     # set mode to 755, otherwise systemd will set it to 777, which cause problems.
     # relatime: Update inode access times relative to modify or change time.
     options = [
+      "size=4G"
       "relatime"
       "mode=755"
     ];
diff --git a/hosts/idols-ai/disko-fs.nix b/hosts/idols-ai/disko-fs.nix
index 8fc28806..0497631f 100644
--- a/hosts/idols-ai/disko-fs.nix
+++ b/hosts/idols-ai/disko-fs.nix
@@ -17,6 +17,7 @@
     nodev."/" = {
       fsType = "tmpfs";
       mountOptions = [
+        "size=4G"
         "relatime" # Update inode access times relative to modify/change time
         "mode=755"
       ];