---
title: aclrtPtrAttributes
description: "```"
url: https://www.hiascend.com/document/detail/zh/canncommercial/latest/API/runtimeapi/aclcppdevg_03_1845.html
sourcePath: /source/zh/canncommercial/900/API/runtimeapi/aclcppdevg_03_1845.html
indexId: 73213a9582e01d4f545deddc5ff9ed5c695fc0a60078dba69295dd5d0706ee9468
---
# aclrtPtrAttributes

```
typedef struct aclrtPtrAttributes {
    aclrtMemLocation location; 
    uint32_t pageSize;   
    uint32_t rsv[4];    
} aclrtPtrAttributes;
```

| 成员名称 | 说明 |
| --- | --- |
| location | 内存所在位置。类型定义请参见aclrtMemLocation。 当type为ACL\_MEM\_LOCATION\_TYPE\_HOST时，id无效。 |
| pageSize | 页表大小，单位Byte。 |
| rsv | 预留参数。当前固定配置为0。 |