There's a pre-3 patch on ftp.kernel.org in the kernel/testing directory,2.2.7pre3
treec038419277cb22cd0aee745e0346caf027618e60
-rw-r--r-- 18483 COPYING
-rw-r--r-- 54238 CREDITS
drwxr-xr-x - Documentation
-rw-r--r-- 18532 MAINTAINERS
-rw-r--r-- 12624 Makefile
-rw-r--r-- 13563 README
-rw-r--r-- 2699 REPORTING-BUGS
-rw-r--r-- 7715 Rules.make
drwxr-xr-x - arch
drwxr-xr-x - drivers
drwxr-xr-x - fs
drwxr-xr-x - include
drwxr-xr-x - init
drwxr-xr-x - ipc
drwxr-xr-x - kernel
drwxr-xr-x - lib
drwxr-xr-x - mm
drwxr-xr-x - net
drwxr-xr-x - scripts