grsecurity-2.2.0-2.6.32.16-201007162107.patch is available. Tested on x86, paxtest ok.
Created attachment 239375 [details] Interdiff.txt interdiff -bBw grsecurity-2.2.0-2.6.32.16-201007112149.patch grsecurity-2.2.0-2.6.32.16-201007162107.patch
This is in the tree with hardened-sources-2.6.32-r12.ebuild.