random_index 613 tools/testing/selftests/x86/protection_keys.c int random_index; random_index 628 tools/testing/selftests/x86/protection_keys.c random_index = rand() % nr_alloced; random_index 629 tools/testing/selftests/x86/protection_keys.c ret = alloced_pkeys[random_index]; random_index 631 tools/testing/selftests/x86/protection_keys.c alloced_pkeys[random_index] = 0;