Ah yeah, just found that, the patch has a couple lines added to sys/proc.h, + u_int ps_tame; + , right before the end of what's defined as `ps_endcopy

Ah yeah, just found that, the patch has a couple lines added to sys/proc.h, + u_int ps_tame; + , right before the end of what's defined as `ps_endcopy`, which is copied from parent to child in `process_initialize`. Makes sense now.