[$] Development statistics for the 6.1 kernel (and beyond)

The 6.1 kernel was releasedon December 11; by the time of this release, 13,942 non-mergechangesets had been pulled into the mainline, growing the kernel by 412,000lines of code. This is thus not the busiest development cycle ever, butneither is it the slowest, and those changesets contained a number offundamental changes. This release will also be the long-term-supportkernel for 2022. Read on for a look at where the work in 6.1 came from.