23  *  lost the old acct_file. 3/10/98, Al Viro.
68 static int acct_parm[3] = {4, 2, 30};
78 		.maxlen         = 3*sizeof(int),
105 	struct pid_namespace	*ns;  member
159 static struct bsd_acct_struct *acct_get(struct pid_namespace *ns)  in acct_get()  argument
165 	res = to_acct(READ_ONCE(ns->bacct));  in acct_get()
177 	if (res != to_acct(READ_ONCE(ns->bacct))) {  in acct_get()
196 	cmpxchg(&acct->ns->bacct, pin, NULL);  in acct_pin_kill()
220 	struct pid_namespace *ns = task_active_pid_ns(current);  in acct_on()  local
268 	acct->ns = ns;  in acct_on()
276 	old = xchg(&ns->bacct, &acct->pin);  in acct_on()
314 void acct_exit_ns(struct pid_namespace *ns)  in acct_exit_ns()  argument
317 	pin_kill(ns->bacct);  in acct_exit_ns()
325  *  is a 13-bit fraction with a 3-bit (base 8) exponent.
329 #define	EXPSIZE		3			/* Base 8 (3 bit) exponent. */
339 		value >>= EXPSIZE;	/* Base 8 exponent == 3 bit shift. */  in encode_comp_t()
403 #elif ACCT_VERSION == 3
467 #if ACCT_VERSION == 3  in fill_ac()
508 #elif ACCT_VERSION == 3  in fill_ac()
510 		struct pid_namespace *ns = acct->ns;  in fill_ac()  local
512 		ac->ac_pid = task_tgid_nr_ns(current, ns);  in fill_ac()
514 		ac->ac_ppid = task_tgid_nr_ns(rcu_dereference(current->real_parent), ns);  in fill_ac()
602 static void slow_acct_process(struct pid_namespace *ns)  in slow_acct_process()  argument
604 	for ( ; ns; ns = ns->parent) {  in slow_acct_process()
605 		struct bsd_acct_struct *acct = acct_get(ns);  in slow_acct_process()
619 	struct pid_namespace *ns;  in acct_process()  local
626 	for (ns = task_active_pid_ns(current); ns != NULL; ns = ns->parent) {  in acct_process()
627 		if (ns->bacct)  in acct_process()
630 	if (unlikely(ns))  in acct_process()
631 		slow_acct_process(ns);  in acct_process()