1506 void sysctl_head_get(struct ctl_table_header *head)  in sysctl_head_get()  argument
1509 	head->count++;  in sysctl_head_get()
1513 void sysctl_head_put(struct ctl_table_header *head)  in sysctl_head_put()  argument
1516 	if (!--head->count)  in sysctl_head_put()
1517 		kfree(head);  in sysctl_head_put()
1521 struct ctl_table_header *sysctl_head_grab(struct ctl_table_header *head)  in sysctl_head_grab()  argument
1523 	if (!head)  in sysctl_head_grab()
1526 	if (!use_table(head))  in sysctl_head_grab()
1527 		head = ERR_PTR(-ENOENT);  in sysctl_head_grab()
1529 	return head;  in sysctl_head_grab()
1532 void sysctl_head_finish(struct ctl_table_header *head)  in sysctl_head_finish()  argument
1534 	if (!head)  in sysctl_head_finish()
1537 	unuse_table(head);  in sysctl_head_finish()
1562 	struct ctl_table_header *head;  in __sysctl_head_next()  local
1567 		head = prev;  in __sysctl_head_next()
1574 		head = list_entry(tmp, struct ctl_table_header, ctl_entry);  in __sysctl_head_next()
1576 		if (!use_table(head))  in __sysctl_head_next()
1579 		return head;  in __sysctl_head_next()
1581 		root = head->root;  in __sysctl_head_next()
1684 	struct ctl_table_header *head;  in do_sysctl()  local
1695 	for (head = sysctl_head_next(NULL); head;  in do_sysctl()
1696 			head = sysctl_head_next(head)) {  in do_sysctl()
1699 					head->root, head->ctl_table);  in do_sysctl()
1701 			sysctl_head_finish(head);  in do_sysctl()
2085 void sysctl_head_put(struct ctl_table_header *head)  in sysctl_head_put()  argument