def swap_memory():
total, used, free, sin, sout =[x * _PAGESIZE for x in _psutil_bsd.get_swap_mem()]<EOL>percent = usage_percent(used, total, _round=<NUM_LIT:1>)<EOL>return nt_swapmeminfo(total, used, free, percent, sin, sout)<EOL>
System swap memory as (total, used, free, sin, sout) namedtuple.