函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\memcontrol.c Create Date:2022-07-27 17:46:17
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：mem_cgroup_swappiness_write

函数原型：static int mem_cgroup_swappiness_write(struct cgroup_subsys_state *css, struct cftype *cft, u64 val)

返回类型：int

参数：

类型参数名称
struct cgroup_subsys_state *css
struct cftype *cft
u64val
3821  memcg等于mem_cgroup_from_css(css)
3823  如果val大于100则返回:负EINVAL
3826  如果PI: the parent css. Placed here for cache proximity to following* fields of the containing structure.则swappiness等于val
3828  否则From 0 .. 100. Higher means more swappy.等于val
3831  返回:0