函数逻辑报告 | 
Source Code:mm\memory.c | 
Create Date:2022-07-27 16:08:15 | 
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick | 
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函数名称:maps a range of physical memory into the requested pages. the old* mappings are removed. any references to nonexistent pages results* in null mappings (currently treated as "copy-on-access")
函数原型:static int remap_pte_range(struct mm_struct *mm, pmd_t *pmd, unsigned long addr, unsigned long end, unsigned long pfn, pgprot_t prot)
返回类型:int
参数:
| 类型 | 参数 | 名称 | 
|---|---|---|
| struct mm_struct * | mm | |
| pmd_t * | pmd | |
| unsigned long | addr | |
| unsigned long | end | |
| unsigned long | pfn | |
| pgprot_t | prot | 
| 1815 | err等于0 | 
| 1821 | 循环 | 
| 1823 | 如果非pfn_modify_allowed(pfn, prot)则 | 
| 1827 | set_pte_at(mm, addr, pte, pte_mkspecial(pfn_pte(pfn, prot))) | 
| 1828 | pfn自加 | 
| 1830 | arch_leave_lazy_mmu_mode() | 
| 1831 | pte_unmap_unlock(pte - 1, ptl) | 
| 1832 | 返回:err | 
| 名称 | 描述 | 
|---|---|
| remap_pmd_range | 
| 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  |