函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\cgroup.h Create Date:2022-07-27 06:54:18
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：group_is_descendant - test ancestry*@cgrp: the cgroup to be tested*@ancestor: possible ancestor of @cgrp* Test whether @cgrp is a descendant of @ancestor. It also returns %true* if @cgrp == @ancestor. This function is safe to call as long as @cgrp

函数原型：static inline bool cgroup_is_descendant(struct cgroup *cgrp, struct cgroup *ancestor)

返回类型：bool

参数：

类型参数名称
struct cgroup *cgrp
struct cgroup *ancestor
571  如果root不等于root或* The depth this cgroup is at. The root is at depth zero and each * step down the hierarchy increments the level. This along with * ancestor_ids[] can determine whether a given cgroup is a * descendant of another without traversing the hierarchy.小于* The depth this cgroup is at. The root is at depth zero and each * step down the hierarchy increments the level. This along with * ancestor_ids[] can determine whether a given cgroup is a * descendant of another without traversing the hierarchy.则返回:false
573  返回: ids of the ancestors at each level including self [* The depth this cgroup is at. The root is at depth zero and each * step down the hierarchy increments the level. This along with * ancestor_ids[] can determine whether a given cgroup is a * descendant of another without traversing the hierarchy.]恒等于Inline functions.
调用者
名称描述
cgroup_procs_write_permission
task_under_cgroup_hierarchyask_under_cgroup_hierarchy - test task's membership of cgroup ancestry*@task: the task to be tested*@ancestor: possible ancestor of @task's cgroup* Tests whether @task's default cgroup hierarchy is a descendant of @ancestor
mem_cgroup_is_descendant