static void release_pte_page(struct page *page)
{
- /* 0 stands for page_is_file_cache(page) == false */
- dec_node_page_state(page, NR_ISOLATED_ANON + 0);
+ dec_node_page_state(page, NR_ISOLATED_ANON + page_is_file_cache(page));
unlock_page(page);
putback_lru_page(page);
}
VM_BUG_ON_PAGE(PageCompound(page), page);
VM_BUG_ON_PAGE(!PageAnon(page), page);
- VM_BUG_ON_PAGE(!PageSwapBacked(page), page);
/*
* We can do it before isolate_lru_page because the
* The page must only be referenced by the scanned process
* and page swap cache.
*/
- if (page_count(page) != 1 + !!PageSwapCache(page)) {
+ if (page_count(page) != 1 + PageSwapCache(page)) {
unlock_page(page);
result = SCAN_PAGE_COUNT;
goto out;
result = SCAN_DEL_PAGE_LRU;
goto out;
}
- /* 0 stands for page_is_file_cache(page) == false */
- inc_node_page_state(page, NR_ISOLATED_ANON + 0);
+ inc_node_page_state(page,
+ NR_ISOLATED_ANON + page_is_file_cache(page));
VM_BUG_ON_PAGE(!PageLocked(page), page);
VM_BUG_ON_PAGE(PageLRU(page), page);
* The page must only be referenced by the scanned process
* and page swap cache.
*/
- if (page_count(page) != 1 + !!PageSwapCache(page)) {
+ if (page_count(page) != 1 + PageSwapCache(page)) {
result = SCAN_PAGE_COUNT;
goto out_unmap;
}