css_freezer
struct freezer *freezer = css_freezer(css);
struct freezer *freezer = css_freezer(css);
kfree(css_freezer(css));
struct freezer *freezer = css_freezer(new_css);
struct freezer *freezer = css_freezer(css);
struct freezer *child = css_freezer(pos);
seq_puts(m, freezer_state_strs(css_freezer(css)->state));
struct freezer *pos_f = css_freezer(pos);
freezer_change_state(css_freezer(of_css(of)), freeze);
struct freezer *freezer = css_freezer(css);
struct freezer *freezer = css_freezer(css);
return css_freezer(task_css(task, freezer_cgrp_id));
return css_freezer(freezer->css.parent);