Extern or forward variable declaration at include/linux/initrd.h, line 6 References: arch/arm/kernel/atags_parse.c, line 94 arch/sh/kernel/setup.c, line 293 arch/sparc/kernel/setup_32.c, line 362 arch/sparc/kernel/setup_64.c, line 668 arch/x86/kernel/setup.c, line 922 include/linux/initrd.h, line 6 init/do_mounts.c, line 30 init/do_mounts.c, line 41 init/do_mounts.c, line 548 init/do_mounts.c, line 619