函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\page-writeback.c Create Date:2022-07-27 15:32:56
Last Modify:2022-05-23 13:25:58 Copyright©Brick
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函数名称：dirty_background_ratio_handler

函数原型：int dirty_background_ratio_handler(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos)

返回类型：int

参数：

类型参数名称
struct ctl_table *table
intwrite
void __user *buffer
size_t *lenp
loff_t *ppos
520  ret等于指定大小读sysctl整数向量
521  如果ret恒等于0且write则dirty_background_bytes starts at 0 (disabled) so that it is a function of* dirty_background_ratio * the amount of dirtyable memory等于0
523  返回:ret