- /* Is the only swap cache user the cache itself? */
- if (p->swap_map[swp_offset(entry)] == 1) {
- /* Recheck the page count with the swapcache lock held.. */
- write_lock_irq(&swapper_space.tree_lock);
- if (page_count(page) == 2)
- retval = 1;
- write_unlock_irq(&swapper_space.tree_lock);
- }