xe_svm_range_find_or_insert
range = xe_svm_range_find_or_insert(vm, fault_addr, vma, &ctx);
struct xe_svm_range *xe_svm_range_find_or_insert(struct xe_vm *vm, u64 addr,
svm_range = xe_svm_range_find_or_insert(vm, addr, vma, &ctx);