Ubuntu 10.4 (up2date) (64bit)
uname -a
Linux lenovo-laptop 2.6.32-24-generic #43-Ubuntu SMP Thu Sep 16 14:58:24 UTC 2010 x86_64 GNU/Linux
user@lenovo-laptop:~$ ./a.out
resolved symbol commit_creds to 0xffffffff8108bdb0
resolved symbol prepare_kernel_cred to 0xffffffff8108c190
mapping at 3f80000000
UID 1000, EUID:1000 GID:1000, EGID:1000