CONFIG_ETEXT_SHIFT  320 arch/powerpc/kernel/head_8xx.S #if defined(CONFIG_STRICT_KERNEL_RWX) && CONFIG_ETEXT_SHIFT < 23
CONFIG_ETEXT_SHIFT  144 arch/powerpc/mm/nohash/8xx.c 	if (IS_ENABLED(CONFIG_STRICT_KERNEL_RWX) && CONFIG_ETEXT_SHIFT < 23)