1310 					   struct page *tree_page)  in try_to_merge_two_pages()  argument
1317 							tree_page, page);  in try_to_merge_two_pages()
1355 	struct page *_tree_page, *tree_page = NULL;  in stable_node_dup()  local
1388 					put_page(tree_page);  in stable_node_dup()
1391 				tree_page = _tree_page;  in stable_node_dup()
1464 	return tree_page;  in stable_node_dup()
1528 	struct page *tree_page;  in chain()  local
1530 	tree_page = __stable_node_chain(s_n_d, &s_n, root, false);  in chain()
1533 	return tree_page;  in chain()
1568 		struct page *tree_page;  in stable_tree_search()  local
1574 		tree_page = chain_prune(&stable_node_dup, &stable_node,	root);  in stable_tree_search()
1608 			tree_page = get_ksm_page(stable_node_any,  in stable_tree_search()
1612 		if (!tree_page) {  in stable_tree_search()
1625 		ret = memcmp_pages(page, tree_page);  in stable_tree_search()
1626 		put_page(tree_page);  in stable_tree_search()
1669 			tree_page = get_ksm_page(stable_node_dup,  in stable_tree_search()
1672 			if (PTR_ERR(tree_page) == -EBUSY)  in stable_tree_search()
1675 			if (unlikely(!tree_page))  in stable_tree_search()
1681 			unlock_page(tree_page);  in stable_tree_search()
1685 				put_page(tree_page);  in stable_tree_search()
1688 			return tree_page;  in stable_tree_search()
1813 		struct page *tree_page;  in stable_tree_insert()  local
1819 		tree_page = chain(&stable_node_dup, stable_node, root);  in stable_tree_insert()
1841 			tree_page = get_ksm_page(stable_node_any,  in stable_tree_insert()
1845 		if (!tree_page) {  in stable_tree_insert()
1858 		ret = memcmp_pages(kpage, tree_page);  in stable_tree_insert()
1859 		put_page(tree_page);  in stable_tree_insert()
1930 		struct page *tree_page;  in unstable_tree_search_insert()  local
1935 		tree_page = get_mergeable_page(tree_rmap_item);  in unstable_tree_search_insert()
1936 		if (!tree_page)  in unstable_tree_search_insert()
1942 		if (page == tree_page) {  in unstable_tree_search_insert()
1943 			put_page(tree_page);  in unstable_tree_search_insert()
1947 		ret = memcmp_pages(page, tree_page);  in unstable_tree_search_insert()
1951 			put_page(tree_page);  in unstable_tree_search_insert()
1954 			put_page(tree_page);  in unstable_tree_search_insert()
1957 			   page_to_nid(tree_page) != nid) {  in unstable_tree_search_insert()
1963 			put_page(tree_page);  in unstable_tree_search_insert()
1966 			*tree_pagep = tree_page;  in unstable_tree_search_insert()
2033 	struct page *tree_page = NULL;  in cmp_and_merge_page()  local
2128 		unstable_tree_search_insert(rmap_item, page, &tree_page);  in cmp_and_merge_page()
2133 						tree_rmap_item, tree_page);  in cmp_and_merge_page()
2145 			&& compound_head(page) == compound_head(tree_page);  in cmp_and_merge_page()
2146 		put_page(tree_page);  in cmp_and_merge_page()