1317 					   struct page *tree_page)  in try_to_merge_two_pages()  argument
1324 							tree_page, page);  in try_to_merge_two_pages()
1362 	struct page *_tree_page, *tree_page = NULL;  in stable_node_dup()  local
1395 					put_page(tree_page);  in stable_node_dup()
1398 				tree_page = _tree_page;  in stable_node_dup()
1471 	return tree_page;  in stable_node_dup()
1535 	struct page *tree_page;  in chain()  local
1537 	tree_page = __stable_node_chain(s_n_d, &s_n, root, false);  in chain()
1540 	return tree_page;  in chain()
1575 		struct page *tree_page;  in stable_tree_search()  local
1581 		tree_page = chain_prune(&stable_node_dup, &stable_node,	root);  in stable_tree_search()
1615 			tree_page = get_ksm_page(stable_node_any,  in stable_tree_search()
1619 		if (!tree_page) {  in stable_tree_search()
1632 		ret = memcmp_pages(page, tree_page);  in stable_tree_search()
1633 		put_page(tree_page);  in stable_tree_search()
1676 			tree_page = get_ksm_page(stable_node_dup,  in stable_tree_search()
1679 			if (PTR_ERR(tree_page) == -EBUSY)  in stable_tree_search()
1682 			if (unlikely(!tree_page))  in stable_tree_search()
1688 			unlock_page(tree_page);  in stable_tree_search()
1692 				put_page(tree_page);  in stable_tree_search()
1695 			return tree_page;  in stable_tree_search()
1822 		struct page *tree_page;  in stable_tree_insert()  local
1828 		tree_page = chain(&stable_node_dup, stable_node, root);  in stable_tree_insert()
1850 			tree_page = get_ksm_page(stable_node_any,  in stable_tree_insert()
1854 		if (!tree_page) {  in stable_tree_insert()
1867 		ret = memcmp_pages(kpage, tree_page);  in stable_tree_insert()
1868 		put_page(tree_page);  in stable_tree_insert()
1939 		struct page *tree_page;  in unstable_tree_search_insert()  local
1944 		tree_page = get_mergeable_page(tree_rmap_item);  in unstable_tree_search_insert()
1945 		if (!tree_page)  in unstable_tree_search_insert()
1951 		if (page == tree_page) {  in unstable_tree_search_insert()
1952 			put_page(tree_page);  in unstable_tree_search_insert()
1956 		ret = memcmp_pages(page, tree_page);  in unstable_tree_search_insert()
1960 			put_page(tree_page);  in unstable_tree_search_insert()
1963 			put_page(tree_page);  in unstable_tree_search_insert()
1966 			   page_to_nid(tree_page) != nid) {  in unstable_tree_search_insert()
1972 			put_page(tree_page);  in unstable_tree_search_insert()
1975 			*tree_pagep = tree_page;  in unstable_tree_search_insert()
2040 	struct page *tree_page = NULL;  in cmp_and_merge_page()  local
2135 		unstable_tree_search_insert(rmap_item, page, &tree_page);  in cmp_and_merge_page()
2140 						tree_rmap_item, tree_page);  in cmp_and_merge_page()
2152 			&& compound_head(page) == compound_head(tree_page);  in cmp_and_merge_page()
2153 		put_page(tree_page);  in cmp_and_merge_page()