total=0 N0=0
file=0 N0=0
anon=0 N0=0
unevictable=0 N0=0
hierarchical_total=1646714 N0=1646714
hierarchical_file=804096 N0=804096
hierarchical_anon=842600 N0=842600
hierarchical_unevictable=18 N0=18