css_misc
return css_misc(task_get_css(current, misc_cgrp_id));
struct misc_cg *cg = css_misc(seq_css(sf));
cg = css_misc(of_css(of));
struct misc_cg *cg = css_misc(seq_css(sf));
struct misc_cg *cg = css_misc(seq_css(sf));
struct misc_cg *cg = css_misc(seq_css(sf));
kfree(css_misc(css));
return cgroup ? css_misc(cgroup->css.parent) : NULL;