函数逻辑报告 |
Source Code:mm\frontswap.c |
Create Date:2022-07-27 16:52:06 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
首页 | 函数Tree |
注解内核,赢得工具 | 下载SCCT | English |
函数名称:Frontswap, like a true swap device, may unnecessarily retain pages* under certain circumstances; "shrink" frontswap is essentially a* "partial swapoff" and works by calling try_to_unuse to attempt to* unuse enough frontswap pages to attempt to -- subject
函数原型:void frontswap_shrink(unsigned long target_pages)
返回类型:void
参数:
类型 | 参数 | 名称 |
---|---|---|
unsigned long | target_pages |
448 | pages_to_unuse等于0 |
456 | 加自旋锁 |
457 | ret等于Used to check if it's necessory and feasible to unuse pages.* Return 1 when nothing to do, 0 when need to shink pages,* error code when there is an error. |
458 | 自旋锁解锁 |
459 | 如果ret恒等于0则If the boolean frontswap is true, only unuse pages_to_unuse pages;* pages_to_unuse==0 means all pages; ignored if frontswap is false |
461 | 返回 |
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 |