Rework the cpuset/cgroup code to get the cpuset...
Rework the cpuset/cgroup code to get the cpuset...

Rework the cpuset/cgroup code to get the cpuset name only once

This commit was SVN r1747.

shekkbuilder/hwloc,ggouaillardet/hwloc,ggouaillardet/hwloc,ggouaillardet/hwloc,shekkbuilder/hwloc,shekkbuilder/hwloc,shekkbuilder/hwloc,ggouaillardet/hwloc