/* Pick out the memory size. We look for mem=size@start, where start and size are "size"  */
static int __init early_mem(char *p)
/* Pick out the memory size. We look for mem=size@start, where start and size are "size"  */
static int __init early_mem(char *p)
{
	resource_size_t size, start;
	start = system_ram->start;
	size  = memparse(p, &p);
	if (*p == '@')
		start = memparse(p + 1, &p);
	system_ram->start = start;
	system_ram->end = system_ram->start + size - 1;
	return 0;
}