arm_smmu_invs_merge
test_b = arm_smmu_invs_merge(test_a, &invs1);
test_a = arm_smmu_invs_merge(test_b, &invs2);
test_b = arm_smmu_invs_merge(test_a, &invs3);
test_b = arm_smmu_invs_merge(test_a, &invs4);
test_a = arm_smmu_invs_merge(test_b, &invs5);
EXPORT_SYMBOL_IF_KUNIT(arm_smmu_invs_merge);
arm_smmu_invs_merge(invst->old_invs, build_invs);
struct arm_smmu_invs *arm_smmu_invs_merge(struct arm_smmu_invs *invs,