head_size         168 opal/class/opal_free_list.c     size_t alloc_size, head_size, elem_size = 0, buffer_size = 0, align = 0;
head_size         181 opal/class/opal_free_list.c     head_size = OPAL_ALIGN(flist->fl_frag_size, flist->fl_frag_alignment, size_t);
head_size         207 opal/class/opal_free_list.c     alloc_size = num_elements * head_size + sizeof(opal_free_list_memory_t) +
head_size         274 opal/class/opal_free_list.c         ptr += head_size;