list_for_each_entry_safe(page, page2, l, lru) {
list_del(&page->lru);
+ dec_zone_page_state(page, NR_ISOLATED_ANON +
+ page_is_file_cache(page));
putback_lru_page(page);
count++;
}
pslot = radix_tree_lookup_slot(&mapping->page_tree,
page_index(page));
- expected_count = 2 + !!page_has_private(page);
+ expected_count = 2 + page_has_private(page);
if (page_count(page) != expected_count ||
(struct page *)radix_tree_deref_slot(pslot) != page) {
spin_unlock_irq(&mapping->tree_lock);
*/
__dec_zone_page_state(page, NR_FILE_PAGES);
__inc_zone_page_state(newpage, NR_FILE_PAGES);
-
+ if (PageSwapBacked(page)) {
+ __dec_zone_page_state(page, NR_SHMEM);
+ __inc_zone_page_state(newpage, NR_SHMEM);
+ }
spin_unlock_irq(&mapping->tree_lock);
return 0;
}
/* Establish migration ptes or remove ptes */
- try_to_unmap(page, 1);
+ try_to_unmap(page, TTU_MIGRATION|TTU_IGNORE_MLOCK|TTU_IGNORE_ACCESS);
skip_unmap:
if (!page_mapped(page))
* restored.
*/
list_del(&page->lru);
+ dec_zone_page_state(page, NR_ISOLATED_ANON +
+ page_is_file_cache(page));
putback_lru_page(page);
}
struct page *page2;
int swapwrite = current->flags & PF_SWAPWRITE;
int rc;
+ unsigned long flags;
+
+ local_irq_save(flags);
+ list_for_each_entry(page, from, lru)
+ __inc_zone_page_state(page, NR_ISOLATED_ANON +
+ page_is_file_cache(page));
+ local_irq_restore(flags);
if (!swapwrite)
current->flags |= PF_SWAPWRITE;