Applying these patches:

linux-2.6.29.6-01-sendpage.diff.gz
linux-2.6.29.6-02-default-mmap_min_addr-4096.diff.gz
linux-2.6.29.6-03-ip_fragment-CVE-2009-1298.diff.gz

Is highly recommended if you are planning to use the 2.6.29.6
kernel source in this directory.

The kernel-source-2.6.29.6_smp-noarch-3.txz package already has
them preapplied.