[Linux programming] Module_param () function Learning notes

In the read TCP cubic source code, encountered the Module_param (), the information found on the Internet as follows:

Programming in the user state can pass command-line arguments through main (), while writing a kernel module can pass command-line arguments via Module_param ().

It is implemented in the following way: module_param_named (name, type, perm), the variable name, its type, and a permission mask used to make an auxiliary SYSFS entry.

Give an example of a cubic:

int 0644);

[Linux programming] Module_param () function Learning notes