函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\cgroup\rdma.c Create Date:2022-07-27 12:17:31
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：dmacg_css_offline - cgroup css_offline callback*@css: css of interest* This function is called when @css is about to go away and responsible* for shooting down all rdmacg associated with @css

函数原型：static void rdmacg_css_offline(struct cgroup_subsys_state *css)

返回类型：void

参数：

类型参数名称
struct cgroup_subsys_state *css
593  cg等于css_rdmacg(css)
596  mutex_lock( & Protects list of resource pools maintained on per cgroup basis* and rdma device list.)
598  list_for_each_entry - iterate over list of given type*@pos: the type * to use as a loop cursor.*@head: the head for your list.*@member: the name of the list_head within the struct.(rpool, & * head to keep track of all resource pools * that belongs to this cgroup., cg_node)
599  set_all_resource_max_limit(rpool)
601  mutex_unlock - release the mutex*@lock: the mutex to be released* Unlock a mutex that has been locked by this task previously.* This function must not be used in interrupt context. Unlocking* of a not locked mutex is not allowed.