The current 2.6 prepatch remains 2.6.16-rc1. A handful of fixes has
appeared in the mainline git repository, including a few new features (see
The current -mm release is 2.6.16-rc1-mm3. Recent changes
to -mm include more semaphore-to-mutex conversions, two-column stack
backtraces on i386 (to make oops traces fit on one screen), various memory
management tweaks, the SMP
alternatives patch, and lots of fixes.