+ /* Create bogus file if not done already
+ * We need two different bogusfiles:
+ * smpi_shared_malloc_bogusfile_huge_page is used for calls to mmap *with* MAP_HUGETLB,
+ * smpi_shared_malloc_bogusfile is used for calls to mmap *without* MAP_HUGETLB.
+ * We cannot use a same file for the two type of calls, since the first one needs to be
+ * opened in a hugetlbfs mount point whereas the second needs to be a "classical" file. */