Lots of changes

$ for i in 20 21 22 23; do echo -n "2.6.${i} -> 2.6.$((${i}+1)): "; git diff v2.6.${i}..v2.6.$((${i}+1)) | diffstat | grep ' files changed, '; done

2.6.20 -> 2.6.21: 6568 files changed, 319232 insertions(+), 175247 deletions(-)
2.6.21 -> 2.6.22: 7620 files changed, 519591 insertions(+), 266699 deletions(-)
2.6.22 -> 2.6.23: 7203 files changed, 406268 insertions(+), 339071 deletions(-)
2.6.23 -> 2.6.24: 10209 files changed, 776107 insertions(+), 483031 deletions(-)

I like the current kernel development scheme; it might look a bit scary (especially for 2.6.24), but afaics it's way better then what we had in the past when new stuff (sometimes including drivers for new hardware) lingered around in 2.3 or 2.5. way to long.