css_freezer

Name:css_freezer

Proto:static inline struct freezer *css_freezer(struct cgroup_subsys_state *css)

Type:struct freezer

Parameter:

Type	Parameter	Name
struct cgroup_subsys_state *	css

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Return 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

**Caller**
Name	Describe
task_freezer
parent_freezer
freezer_css_online	zer_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_offline	zer_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_attach	Tasks 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_frozen	pdate_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_state	zer_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

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