* same kernel swap device. */
swaps = UNIT(s)->manager->swaps_by_proc_swaps;
first = hashmap_get(swaps, s->parameters_proc_swaps.what);
* same kernel swap device. */
swaps = UNIT(s)->manager->swaps_by_proc_swaps;
first = hashmap_get(swaps, s->parameters_proc_swaps.what);