do_swap
do_swap(&cpu_callin_map[cpuid], 1);
do_swap(data + b, data + c, elem_size, swp, args);
do_swap(data + a, data + b, elem_size, swp, args);
do_swap(data + (idx * elem_size), data + (heap->nr * elem_size), elem_size, swp, args);
do_swap(base, base + n, size, swap_func, priv);
do_swap(base + a, base + n, size, swap_func, priv);
do_swap(base + b, base + c, size, swap_func, priv);
do_swap(base, base + n, size, swap_func, priv);
do_swap(base, base + size, size, swap_func, priv);