mbr_magic          44 arch/x86/boot/edd.c 	u16 mbr_magic;
mbr_magic          67 arch/x86/boot/edd.c 	mbr_magic = *(u16 *)&mbrbuf_ptr[510];
mbr_magic          70 arch/x86/boot/edd.c 	return mbr_magic == 0xAA55 ? 0 : -1;