tree 7ebb9918a753ad3b0c8cd4ed128e7a99c3dd2f99
parent 1fb53567a3633740aac8761eb7023dc5671f0edb
author Eric W. Biederman <ebiederm@xmission.com> 1506447933 -0500
committer Eric W. Biederman <ebiederm@xmission.com> 1532187792 -0500

pids: Compute task_tgid using signal->leader_pid

The cost is the the same and this removes the need
to worry about complications that come from de_thread
and group_leader changing.

__task_pid_nr_ns has been updated to take advantage of this change.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>