* the limit, so if it sees the old limit, we see the
* modified counter and retry.
*/
- usage = atomic_long_read(&counter->usage);
+ usage = page_counter_read(counter);
if (usage > nr_pages)
return -EBUSY;
old = xchg(&counter->max, nr_pages);
- if (atomic_long_read(&counter->usage) <= usage)
+ if (page_counter_read(counter) <= usage)
return 0;
counter->max = old;