--- nono/vm/zram.h	2026/04/29 17:04:33	1.1.1.2
+++ nono/vm/zram.h	2026/04/29 17:04:56	1.1.1.5
@@ -1,6 +1,7 @@
 //
 // nono
-// Copyright (C) 2018 isaki@NetBSD.org
+// Copyright (C) 2020 nono project
+// Licensed under nono-license.txt
 //
 
 #pragma once
@@ -8,21 +9,20 @@
 #include "device.h"
 #include <mutex>
 
-class ZRAMDevice
-	: public IODevice
+class ZRAMDevice : public IODevice
 {
-	typedef IODevice inherited;
+	using inherited = IODevice;
  public:
 	ZRAMDevice();
-	virtual ~ZRAMDevice();
+	virtual ~ZRAMDevice() override;
 
-	virtual uint64 Read8(uint32 addr);
-	virtual uint64 Read16(uint32 addr);
-	virtual uint64 Read32(uint32 addr);
-	virtual uint64 Write8(uint32 addr, uint32 data);
-	virtual uint64 Write16(uint32 addr, uint32 data);
-	virtual uint64 Write32(uint32 addr, uint32 data);
-	virtual uint64 Peek8(uint32 addr);
+	uint64 Read8(uint32 addr) override;
+	uint64 Read16(uint32 addr) override;
+	uint64 Read32(uint32 addr) override;
+	uint64 Write8(uint32 addr, uint32 data) override;
+	uint64 Write16(uint32 addr, uint32 data) override;
+	uint64 Write32(uint32 addr, uint32 data) override;
+	uint64 Peek8(uint32 addr) override;
 
  private:
 	// アドレスデコーダ