tree 2f3f606b7327f74c1c1beb8a75886318c51c838a
parent 5e1182deb81ae8c68494017c4a8a71811659c870
author Eric W. Biederman <ebiederm@xmission.com> 1343858622 -0700
committer Eric W. Biederman <ebiederm@xmission.com> 1353333552 -0800

pidns: Wait in zap_pid_ns_processes until pid_ns->nr_hashed == 1

Looking at pid_ns->nr_hashed is a bit simpler and it works for
disjoint process trees that an unshare or a join of a pid_namespace
may create.

Acked-by: "Serge E. Hallyn" <serge@hallyn.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>