Extern or forward variable declaration at include/linux/root_dev.h, line 22 References: arch/alpha/kernel/setup.c, line 664 arch/arm/kernel/atags_parse.c, line 58 arch/ia64/dig/setup.c, line 38 arch/ia64/hp/sim/hpsim_setup.c, line 38 arch/ia64/sn/kernel/setup.c, line 468 arch/m68k/kernel/uboot.c, line 85 arch/mips/kernel/setup.c, line 288 arch/powerpc/kernel/setup-common.c, line 383 arch/powerpc/platforms/powermac/setup.c, line 320 arch/powerpc/platforms/powermac/setup.c, line 323 arch/powerpc/platforms/powermac/setup.c, line 364 arch/powerpc/platforms/powermac/setup.c, line 370 arch/s390/kernel/setup.c, line 1115 arch/sh/kernel/setup.c, line 160 arch/sh/kernel/setup.c, line 277 arch/sparc/kernel/setup_32.c, line 358 arch/sparc/kernel/setup_64.c, line 664 arch/x86/kernel/setup.c, line 903 fs/nfs/nfsroot.c, line 133 include/linux/root_dev.h, line 22 init/do_mounts.c, line 37 init/do_mounts.c, line 395 init/do_mounts.c, line 400 init/do_mounts.c, line 400 init/do_mounts.c, line 432 init/do_mounts.c, line 457 init/do_mounts.c, line 537 init/do_mounts.c, line 542 init/do_mounts.c, line 546 init/do_mounts.c, line 550 init/do_mounts.c, line 559 init/do_mounts.c, line 599 init/do_mounts.c, line 608 init/do_mounts.c, line 612 init/do_mounts.c, line 617 init/do_mounts.c, line 620 init/do_mounts_initrd.c, line 70 init/do_mounts_initrd.c, line 102 init/do_mounts_initrd.c, line 138 init/do_mounts_rd.c, line 289 net/ipv4/ipconfig.c, line 1489 net/ipv4/ipconfig.c, line 1511