docs: def get_node_size(node):
      """
      Get size of memory on C{node}.
  
      @param node: node idx
      @type node: C{int}
      @return: free memory/total memory
      @rtype: C{tuple}(C{int}, C{int})
      """
  
      free = c_longlong()
  
      if node < 0 or node > get_max_node():
          raise ValueError(node)
  
      size = libnuma.numa_node_size64(node, byref(free))
  
      return (free.value, size)