EOF意味着End Of life；
就是说3.6.y终结于这一版,后面就要去开发3.7.y了.
英语原文如下：
“I'm announcing the release of the 3.6.11 kernel.
Note, this is the LAST kernel in the 3.6.y series, it is now
end-of-life. Please move to the 3.7.y kernel series at this time.