Put user cache folder in RAM

scripts/system/etc/gdm3/PostLogin/Default

@@ -46,3 +46,4 @@ temp_path=/mnt/.01/tmp
 mkdir -p "$user_path" "$temp_path"
 chown -R "$USER":"$USER" "$user_path" "$temp_path"
 mount -t overlay -o lowerdir="$HOME",upperdir="$user_path",workdir="$temp_path" overlay "$HOME"
+mount -t tmpfs -o size=2G tmpfs "$HOME"/.cache

scripts/system/etc/gdm3/PostSession/Default

@@ -21,6 +21,6 @@ systemctl stop user@1000.service
 
 # Make sure the mountpoints are free
 kill $(lsof -t "$HOME" /mnt) $(ps --no-headers -u "$USER" -o pid)
-umount "$HOME" /mnt
+umount "$HOME"/.cache "$HOME" /mnt
 umount /dev/disk/by-partlabel/01-home ||:
 wipefs -a /dev/disk/by-partlabel/01-tmp-home