Fix Linux pagetype gathering when the kernel does not export any hugepage info
Fix Linux pagetype gathering when the kernel does not export any hugepage info

Thanks to Ryuuta for reporting the problem and testing patches.

git-svn-id: 14be032f8f42541b1a281b51ae8ea69814daf20e@2705 4b44e086-7f34-40ce-a3bd-00e031736276

BlueBrain/hwloc,BlueBrain/hwloc,BlueBrain/hwloc,BlueBrain/hwloc