copy_process
struct task_struct *copy_process(struct pid *pid, int trace, int node,
task = copy_process(&init_struct_pid, 0, cpu_to_node(cpu), &args);
return copy_process(NULL, 0, node, &args);
p = copy_process(NULL, trace, NUMA_NO_NODE, args);
tsk = copy_process(NULL, 0, NUMA_NO_NODE, &args);