TCPCT support was partly merged into the Linux kernel in December 2009, but was removed in May 2013 because it was never fully implemented and had a performance cost.
2009 年十二月，TCPCT 支持被部分并入了 Linux 内核，但是在 2013 年五月被移除因为它从来没有被完整实现，还会造成性能消耗。