This is the third and last patch of the namespace refactoring.
The prefix cds_ stands for Concurrent Data Structure and is
use for queue, list, hlist and stack.
For RCU protected data strucutre, the prefix is also added but
the suffix _rcu is appended. This suffix indicate and RCU protection.
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>