referenced += page_referenced_anon(page, mem_cont);
else if (is_locked)
referenced += page_referenced_file(page, mem_cont);
- else if (TestSetPageLocked(page))
+ else if (!trylock_page(page))
referenced++;
else {
if (page->mapping)
* Leaving it set also helps swapoff to reinstate ptes
* faster for those pages still in swapcache.
*/
- if (page_test_dirty(page)) {
+ if ((!PageAnon(page) || PageSwapCache(page)) &&
+ page_test_dirty(page)) {
page_clear_dirty(page);
set_page_dirty(page);
}