---
title: aclrtMemAllocationType
description: "```"
url: https://www.hiascend.com/document/detail/zh/canncommercial/latest/API/runtimeapi/aclcppdevg_03_1397.html
sourcePath: /source/zh/canncommercial/900/API/runtimeapi/aclcppdevg_03_1397.html
indexId: 191de5ce24905c26d5ea031c87541b91f147dc8479eb941132005ee43725a4a968
---
# aclrtMemAllocationType

```
typedef enum aclrtMemAllocationType {
    ACL_MEM_ALLOCATION_TYPE_PINNED = 0,     // 锁页内存
} aclrtMemAllocationType;
```