Array-based sort test

modulename: test_sort.ko

configname: CONFIG_TEST_SORT

Linux Kernel Configuration
└─>Kernel hacking
└─>Kernel Testing and Coverage
└─>Runtime Testing
└─>KUnit - Enable support for unit tests
└─>Array-based sort test
In linux kernel since version 3.10 (release Date: 2013-06-30)  
This option enables the self-test function of 'sort()' at boot,
or at module load time.

If unsure, say N.

source code: