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proc_kpagecount

Section: File Formats (5)
Updated: 202-0-08
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/proc/kpagecount - count of mappings of physical pages

/proc/kpagecount (since Linux 2.6.25): This file contains a 6-bit count of the number of times each physical page frame is mapped, indexed by page frame number (see the discussion of /proc/pid/pagemap).
: The /proc/kpagecount file is present only if the CONFIG_PROC_PAGE_MONITOR kernel configuration option is enabled.