Test HMM (Heterogeneous Memory Management)

modulename: test_hmm.ko

configname: CONFIG_TEST_HMM

Linux Kernel Configuration
└─>Kernel hacking
└─>Kernel Testing and Coverage
└─>Runtime Testing
└─>Test HMM (Heterogeneous Memory Management)
In linux kernel since version 5.1 (release Date: 2019-05-05)  
This is a pseudo device driver solely for testing HMM.
Say M here if you want to build the HMM test module.
Doing so will allow you to run tools/testing/selftest/vm/hmm-tests.

If unsure, say N.

source code: