diff --git a/AK/Userspace.h b/AK/Userspace.h
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+++ b/AK/Userspace.h
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+/*
+ * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include <AK/Types.h>
+
+namespace AK {
+
+template<typename T>
+class Userspace {
+public:
+    Userspace() { }
+
+    operator bool() const { return m_ptr; }
+    operator FlatPtr() const { return (FlatPtr)m_ptr; }
+
+#if defined(KERNEL)
+    Userspace(FlatPtr ptr)
+        : m_ptr(ptr)
+    {
+    }
+
+    FlatPtr ptr() const { return m_ptr; }
+#else
+    Userspace(T ptr)
+        : m_ptr(ptr)
+    {
+    }
+
+    T ptr() const { return m_ptr; }
+#endif
+
+private:
+#if defined(KERNEL)
+    FlatPtr m_ptr { 0 };
+#else
+    T m_ptr { nullptr };
+#endif
+};
+
+}
+
+using AK::Userspace;