module_kallsyms_on_each_symbol
int module_kallsyms_on_each_symbol(const char *modname,
module_kallsyms_on_each_symbol(objname, klp_find_callback, &args);
ret = module_kallsyms_on_each_symbol(NULL, filter_match_callback, &match);
found_all = module_kallsyms_on_each_symbol(NULL, kallsyms_callback, &args);
module_kallsyms_on_each_symbol(mod, count_mod_symbols, &ctx);