Enable /proc page monitoring
configname: CONFIG_PROC_PAGE_MONITOR
Linux Kernel Configuration
└─>File systems
└─>Pseudo filesystems
└─>Enable /proc page monitoring
In linux kernel since version 2.6.28 (release Date: 2008-12-24)
Various /proc files exist to monitor process memory utilization:
/proc/pid/smaps, /proc/pid/clear_refs, /proc/pid/pagemap,
/proc/kpagecount, and /proc/kpageflags. Disabling these
interfaces will reduce the size of the kernel by approximately 4kb.
/proc/pid/smaps, /proc/pid/clear_refs, /proc/pid/pagemap,
/proc/kpagecount, and /proc/kpageflags. Disabling these
interfaces will reduce the size of the kernel by approximately 4kb.