函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\cgroup\debug.c Create Date:2022-07-27 12:20:23
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：current_css_set_refcount_read

函数原型：static u64 current_css_set_refcount_read(struct cgroup_subsys_state *css, struct cftype *cft)

返回类型：u64

参数：

类型参数名称
struct cgroup_subsys_state *css
struct cftype *cft
81  _read_lock() - mark the beginning of an RCU read-side critical section* When synchronize_rcu() is invoked on one CPU while other CPUs* are within RCU read-side critical sections, then the* synchronize_rcu() is guaranteed to block until after all the other
82  count等于_read - get a refcount's value*@r: the refcount* Return: the refcount's value
83  _read_unlock() - marks the end of an RCU read-side critical section.* In most situations, rcu_read_unlock() is immune from deadlock.* However, in kernels built with CONFIG_RCU_BOOST, rcu_read_unlock()
84  返回:count