NVRAM_SIG_FREE 796 arch/powerpc/kernel/nvram_64.c part->header.signature = NVRAM_SIG_FREE; NVRAM_SIG_FREE 809 arch/powerpc/kernel/nvram_64.c if (part->header.signature != NVRAM_SIG_FREE) { NVRAM_SIG_FREE 875 arch/powerpc/kernel/nvram_64.c if (part->header.signature != NVRAM_SIG_FREE)