static void __init parse_memmap_one()

in mm/init.c [170:202]

• 27 lines of code
• 6 McCabe index (conditional complexity)

static void __init parse_memmap_one(char *p)
{
	char *oldp;
	unsigned long start_at, mem_size;

	if (!p)
		return;

	oldp = p;
	mem_size = memparse(p, &p);
	if (p == oldp)
		return;

	switch (*p) {
	case '@':
		start_at = memparse(p + 1, &p);
		memblock_add(start_at, mem_size);
		break;

	case '$':
		start_at = memparse(p + 1, &p);
		memblock_reserve(start_at, mem_size);
		break;

	case 0:
		memblock_reserve(mem_size, -mem_size);
		break;

	default:
		pr_warn("Unrecognized memmap syntax: %s\n", p);
		break;
	}
}