void __init setup_arch()

in kernel/setup.c [271:305]

• 24 lines of code
• 2 McCabe index (conditional complexity)

void __init setup_arch(char **cmdline_p)
{
	unflatten_and_copy_device_tree();

	setup_cpuinfo();

#ifdef CONFIG_SMP
	smp_init_cpus();
#endif

	/* process 1's initial memory region is the kernel code/data */
	setup_initial_init_mm(_stext, _etext, _edata, _end);

#ifdef CONFIG_BLK_DEV_INITRD
	if (initrd_start == initrd_end) {
		printk(KERN_INFO "Initial ramdisk not found\n");
		initrd_start = 0;
		initrd_end = 0;
	} else {
		printk(KERN_INFO "Initial ramdisk at: 0x%p (%lu bytes)\n",
		       (void *)(initrd_start), initrd_end - initrd_start);
		initrd_below_start_ok = 1;
	}
#endif

	/* setup memblock allocator */
	setup_memory();

	/* paging_init() sets up the MMU and marks all pages as reserved */
	paging_init();

	*cmdline_p = boot_command_line;

	printk(KERN_INFO "OpenRISC Linux -- http://openrisc.io\n");
}