Provided by: systemtap-doc_3.1-3ubuntu0.1_all 

NAME
probe::vm.munmap - Fires when an munmap is requested
SYNOPSIS
vm.munmap
VALUES
address
the requested address
name
name of the probe point
length
the length of the memory segment
CONTEXT
The process calling munmap.
SEE ALSO
tapset::memory(3stap)
SystemTap Tapset Reference March 2016 PROBE::VM.MUNMAP(3stap)