Provided by: systemtap-doc_2.3-1ubuntu1.4_all 

NAME
function::set_kernel_string_n - Writes a string of given length to kernel memory
SYNOPSIS
set_kernel_string_n(addr:long,n:long,val:string)
ARGUMENTS
addr
The kernel address to write the string to
n
The maximum length of the string
val
The string which is to be written
DESCRIPTION
Writes the given string up to a maximum given length to a given kernel memory address. Reports an error
on string copy fault. Requires the use of guru mode (-g).
SystemTap Tapset Reference March 2016 FUNCTION::SET_KERNEL(3stap)