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 12:16:20
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：css_freezer

函数原型：static inline struct freezer *css_freezer(struct cgroup_subsys_state *css)

返回类型：struct freezer

参数：

类型参数名称
struct cgroup_subsys_state *css
52  返回:css ? container_of - cast a member of a structure out to the containing structure*@ptr: the pointer to the member.*@type: the type of the container struct this is embedded in.*@member: the name of the member within the struct.(css, structfreezer, css) : NULL
调用者
名称描述
task_freezer
parent_freezer
freezer_css_onlinezer_css_online - commit creation of a freezer css*@css: css being created* We're committing to creation of @css. Mark it online and inherit* parent's freezing state while holding both parent's and our* freezer->lock.
freezer_css_offlinezer_css_offline - initiate destruction of a freezer css*@css: css being destroyed*@css is going away. Mark it dead and decrement system_freezing_count if* it was holding one.
freezer_css_free
freezer_attachTasks can be migrated into a different freezer anytime regardless of its* current state. freezer_attach() is responsible for making new tasks* conform to the current state.* Freezer state changes and task migration are synchronized via*@freezer->lock
update_if_frozenpdate_if_frozen - update whether a cgroup finished freezing*@css: css of interest* Once FREEZING is initiated, transition to FROZEN is lazily updated by* calling this function
freezer_read
freezer_change_statezer_change_state - change the freezing state of a cgroup_freezer*@freezer: freezer of interest*@freeze: whether to freeze or thaw* Freeze or thaw @freezer according to @freeze. The operations are* recursive - all descendants of @freezer will be affected.
freezer_write
freezer_self_freezing_read
freezer_parent_freezing_read