task_cgroup_from

函数名称：Return the cgroup for "task" from the given hierarchy. Must be* called with cgroup_mutex and css_set_lock held.

函数原型：struct cgroup *task_cgroup_from_root(struct task_struct *task, struct cgroup_root *root)

返回类型：struct cgroup

参数：

类型	参数	名称
struct task_struct *	task
struct cgroup_root *	root

**调用者**
名称	描述
task_cgroup_path	ask_cgroup_path - cgroup path of a task in the first cgroup hierarchy@task: target task@buf: the buffer to write the path into@buflen: the length of the buffer Determine @task's cgroup on the first (the one with the lowest non-zero
cgroup_procs_write
cgroup_threads_write
proc_cgroup_show	proc_cgroup_show()* - Print task's cgroup paths into seq_file, one line for each hierarchy* - Used for /proc//cgroup.
cgroup_attach_task_all	group_attach_task_all - attach task 'tsk' to all cgroups of task 'from'@from: attach to all cgroups of a given task@tsk: the task to be attached

函数逻辑报告