proc_pid_smaps(5) File Formats Manual proc_pid_smaps(5) /proc/pid/smaps - XXX: 's' "smaps" /proc/pid/smaps ( 2.6.14) . ( pmap(1) .) : 00400000-0048a000 r-xp 00000000 fd:03 960637 /bin/bash Size: 552 kB Rss: 460 kB Pss: 100 kB Shared_Clean: 452 kB Shared_Dirty: 0 kB Private_Clean: 8 kB Private_Dirty: 0 kB Referenced: 460 kB Anonymous: 0 kB AnonHugePages: 0 kB ShmemHugePages: 0 kB ShmemPmdMapped: 0 kB Swap: 0 kB KernelPageSize: 4 kB MMUPageSize: 4 kB Locked: 0 kB ProtectionKey: 0 VmFlags: rd ex mr mw me dw /proc/pid/maps. RAM ("Rss") ("Pss") . "Referenced" . "Anonymous" . "Swap" . "KernelPageSize" ( 2.6.29) . MMU . PPC64 64 4 MMU . "MMUPageSize" ( 2.6.29) MMU. "Locked" . "ProtectionKey" ( 4.9 x86 ) ( pkeys(7)) . CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS ( 4.6). "VmFlags" ( 3.8) : rd wr ex sh mr mw me ms gd pf PFN dw lo io / sr rr dc fork de ac nr ht TLB sf ( 4.15) nl ( 4.0) ar wf ( 4.14) dd sd ( 3.13) mm hg nh mg um userfaultfd ( 4.3) uw userfaultfd ( 4.3) /proc/pid/smaps CONFIG_PROC_PAGE_MONITOR . proc(5) 3 . . : . 6.18 8 2026 proc_pid_smaps(5)