It's been over two weeks since -rc5, partly because of a very quiet week there due to lots of kernel people (including me) being in Tokyo for the annual kernel summit, but also partly because we had an annoying problem with ext4 filesystem corruption after unclean shutdowns.
The 2.6.31 kernel was released on September 9. The 2.6.31 development cycle, lasting exactly three months, saw the addition of almost 11,000 individual changes from over 1100 developers representing almost 200 different companies. 2.6.31 has 408,000 more lines of code than 2.6.30.
The last article was a quick overview of the 4 schedulers in the Linux kernel. This article takes a closer look at the Completely Fair Queuing (CFQ) scheduler and how you can tune it.