55555aec4000-7fff5819f000 ---p 00000000 00:00 0                          [rollup]
Rss:                   4 kB
Pss:                   2 kB
Pss_Anon:              2 kB
Pss_File:              0 kB
Pss_Shmem:             0 kB
Shared_Clean:          0 kB
Shared_Dirty:          4 kB
Private_Clean:         0 kB
Private_Dirty:         0 kB
Referenced:            4 kB
Anonymous:             4 kB
LazyFree:              0 kB
AnonHugePages:         0 kB
ShmemPmdMapped:        0 kB
FilePmdMapped:         0 kB
Shared_Hugetlb:        0 kB
Private_Hugetlb:       0 kB
Swap:                412 kB
SwapPss:             236 kB
Locked:                0 kB