proc_pid_pagemap(5) File Formats Manual proc_pid_pagemap(5) /proc/pid/pagemap - mapping of virtual pages /proc/pid/pagemap ( Linux 2.6.25) . 64- , : 63 , . 62 , . 61 ( Linux 3.5) . 60-58 ( Linux 3.11) 57 ( Linux 5.14) If set, the page is write-protected through userfaultfd(2). 56 ( Linux 4.2) . 55 ( Linux 3.11) PTE soft-dirty ( Documentation/admin-guide/mm/soft-dirty.rst). 54-0 ( 63), , /proc/kpageflags /proc/kpagecount. ( 62), 4-0 , 54-5 -- . Linux 3.11, 60-55 2. /proc/pid/pagemap /proc/pid/maps . /proc/pid/pagemap , CONFIG_PROC_PAGE_MONITOR. ptrace PTRACE_MODE_READ_FSCREDS; ptrace(2). proc(5) () Alexey, Azamat Hackimov , kogamatranslator49 , Darima Kogan , Max Is , Yuri Kozlov ; GNU (GNU General Public License - GPL, 3 ) , - . - , , () () () <>. Linux 6.9.1 2 2024 . proc_pid_pagemap(5)