get_usage_chars   500 kernel/lockdep.c 	get_usage_chars(class, &c1, &c2, &c3, &c4);
get_usage_chars    35 kernel/lockdep_internals.h get_usage_chars(struct lock_class *class, char *c1, char *c2, char *c3, char *c4);
get_usage_chars   103 kernel/lockdep_proc.c 	get_usage_chars(class, &c1, &c2, &c3, &c4);