1. 47e6532 [PATCH] pids: kill PIDTYPE_TGID by Oleg Nesterov · 19 years ago
  2. d73d652 [PATCH] pidhash: kill switch_exec_pids by Eric W. Biederman · 19 years ago
  3. 1da177e Linux-2.6.12-rc2 by Linus Torvalds · 20 years ago