1316 					   struct page *tree_page)  in try_to_merge_two_pages()  argument
1323 							tree_page, page);  in try_to_merge_two_pages()
1361 	struct page *_tree_page, *tree_page = NULL;  in stable_node_dup()  local
1394 					put_page(tree_page);  in stable_node_dup()
1397 				tree_page = _tree_page;  in stable_node_dup()
1470 	return tree_page;  in stable_node_dup()
1534 	struct page *tree_page;  in chain()  local
1536 	tree_page = __stable_node_chain(s_n_d, &s_n, root, false);  in chain()
1539 	return tree_page;  in chain()
1574 		struct page *tree_page;  in stable_tree_search()  local
1580 		tree_page = chain_prune(&stable_node_dup, &stable_node,	root);  in stable_tree_search()
1614 			tree_page = get_ksm_page(stable_node_any,  in stable_tree_search()
1618 		if (!tree_page) {  in stable_tree_search()
1631 		ret = memcmp_pages(page, tree_page);  in stable_tree_search()
1632 		put_page(tree_page);  in stable_tree_search()
1675 			tree_page = get_ksm_page(stable_node_dup,  in stable_tree_search()
1678 			if (PTR_ERR(tree_page) == -EBUSY)  in stable_tree_search()
1681 			if (unlikely(!tree_page))  in stable_tree_search()
1687 			unlock_page(tree_page);  in stable_tree_search()
1691 				put_page(tree_page);  in stable_tree_search()
1694 			return tree_page;  in stable_tree_search()
1821 		struct page *tree_page;  in stable_tree_insert()  local
1827 		tree_page = chain(&stable_node_dup, stable_node, root);  in stable_tree_insert()
1849 			tree_page = get_ksm_page(stable_node_any,  in stable_tree_insert()
1853 		if (!tree_page) {  in stable_tree_insert()
1866 		ret = memcmp_pages(kpage, tree_page);  in stable_tree_insert()
1867 		put_page(tree_page);  in stable_tree_insert()
1938 		struct page *tree_page;  in unstable_tree_search_insert()  local
1943 		tree_page = get_mergeable_page(tree_rmap_item);  in unstable_tree_search_insert()
1944 		if (!tree_page)  in unstable_tree_search_insert()
1950 		if (page == tree_page) {  in unstable_tree_search_insert()
1951 			put_page(tree_page);  in unstable_tree_search_insert()
1955 		ret = memcmp_pages(page, tree_page);  in unstable_tree_search_insert()
1959 			put_page(tree_page);  in unstable_tree_search_insert()
1962 			put_page(tree_page);  in unstable_tree_search_insert()
1965 			   page_to_nid(tree_page) != nid) {  in unstable_tree_search_insert()
1971 			put_page(tree_page);  in unstable_tree_search_insert()
1974 			*tree_pagep = tree_page;  in unstable_tree_search_insert()
2039 	struct page *tree_page = NULL;  in cmp_and_merge_page()  local
2126 		unstable_tree_search_insert(rmap_item, page, &tree_page);  in cmp_and_merge_page()
2131 						tree_rmap_item, tree_page);  in cmp_and_merge_page()
2143 			&& compound_head(page) == compound_head(tree_page);  in cmp_and_merge_page()
2144 		put_page(tree_page);  in cmp_and_merge_page()