DM_CRYPT_SAME_CPU
set_bit(DM_CRYPT_SAME_CPU, &cc->flags);
if (test_bit(DM_CRYPT_SAME_CPU, &cc->flags)) {
num_feature_args += test_bit(DM_CRYPT_SAME_CPU, &cc->flags);
if (test_bit(DM_CRYPT_SAME_CPU, &cc->flags))
DMEMIT(",same_cpu_crypt=%c", test_bit(DM_CRYPT_SAME_CPU, &cc->flags) ? 'y' : 'n');