函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\cgroup\legacy_freezer.c Create Date:2022-07-27 12:16:30
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：freeze_cgroup

函数原型：static void freeze_cgroup(struct freezer *freezer)

返回类型：void

参数：

类型参数名称
struct freezer *freezer
323  ss_task_iter_start - initiate task iteration*@css: the css to walk tasks of*@flags: CSS_TASK_ITER_* flags*@it: the task iterator to use* Initiate iteration through the tasks of @css
324  当task等于ss_task_iter_next - return the next task for the iterator*@it: the task iterator being iterated* The "next" function for task iteration. @it should have been* initialized via css_task_iter_start(). Returns NULL when the iteration* reaches the end.循环
325  ze_task - send a freeze request to given task*@p: task to send the request to* If @p is freezing, the freeze request is sent either by sending a fake* signal (if it's not a kernel thread) or waking it up (if it's a kernel* thread)
326  ss_task_iter_end - finish task iteration*@it: the task iterator to finish* Finish task iteration started by css_task_iter_start().
调用者
名称描述
freezer_apply_statezer_apply_state - apply state change to a single cgroup_freezer*@freezer: freezer to apply state change to*@freeze: whether to freeze or unfreeze*@state: CGROUP_FREEZING_* flag to set or clear* Set or clear @state on @cgroup according to @freeze, and