函数逻辑报告 |
Source Code:include\linux\mm.h |
Create Date:2022-07-27 06:44:51 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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函数名称：Search for an unmapped address range
函数原型：static inline unsigned long vm_unmapped_area(struct vm_unmapped_area_info *info)
返回类型：unsigned long
参数：
| 类型 | 参数 | 名称 |
|---|---|---|
| struct vm_unmapped_area_info * | info |
| 2386 | 如果flags按位与VM_UNMAPPED_AREA_TOPDOWN则返回:unmapped_area_topdown(info) |
| 2388 | 否则返回:unmapped_area(info) |
| 名称 | 描述 |
|---|---|
| arch_get_unmapped_area | |
| arch_get_unmapped_area_topdown | |
| arch_get_unmapped_area | Get an address range which is currently unmapped.* For shmat() with addr=0.* Ugly calling convention alert:* Return value with the low bits set means error value,* ie* if (ret & ~PAGE_MASK)* error = ret; |
| arch_get_unmapped_area_topdown | This mmap-allocator allocates new areas top-down from below the* stack's low limit (the base): |
| 源代码转换工具 开放的插件接口 | X |
|---|---|
| 支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告 代码生成和批量转换代码 |