--- nono/vm/gvram.cpp	2026/04/29 17:05:51	1.1.1.11
+++ nono/vm/gvram.cpp	2026/04/29 17:06:01	1.1.1.12
@@ -36,10 +36,10 @@ GVRAMDevice::~GVRAMDevice()
 bool
 GVRAMDevice::Init()
 {
-	uint devlen = 0x20'0000;	// XXX とりあえず
+	size_t devlen = 0x20'0000;	// XXX とりあえず
 	mem.reset(new(std::nothrow) uint8[devlen]);
 	if ((bool)mem == false) {
-		warnx("Cannot allocate %u bytes at %s", devlen, __method__);
+		warnx("Could not allocate %zu bytes at %s", devlen, __method__);
 		return false;
 	}