Test bitfield functions at runtime

modulename: test_bitfield.ko

configname: CONFIG_TEST_BITFIELD

Linux Kernel Configuration
└─>Kernel hacking
└─>Runtime Testing
└─>Test bitfield functions at runtime
In linux kernel since version 4.2 (release Date: 2015-08-30)  
Enable this option to test the bitfield functions at boot.

If unsure, say N.

source code: