1318 					   struct page *tree_page)  in try_to_merge_two_pages()  argument
1325 							tree_page, page);  in try_to_merge_two_pages()
1363 	struct page *_tree_page, *tree_page = NULL;  in stable_node_dup()  local
1396 					put_page(tree_page);  in stable_node_dup()
1399 				tree_page = _tree_page;  in stable_node_dup()
1472 	return tree_page;  in stable_node_dup()
1536 	struct page *tree_page;  in chain()  local
1538 	tree_page = __stable_node_chain(s_n_d, &s_n, root, false);  in chain()
1541 	return tree_page;  in chain()
1576 		struct page *tree_page;  in stable_tree_search()  local
1582 		tree_page = chain_prune(&stable_node_dup, &stable_node,	root);  in stable_tree_search()
1616 			tree_page = get_ksm_page(stable_node_any,  in stable_tree_search()
1620 		if (!tree_page) {  in stable_tree_search()
1633 		ret = memcmp_pages(page, tree_page);  in stable_tree_search()
1634 		put_page(tree_page);  in stable_tree_search()
1677 			tree_page = get_ksm_page(stable_node_dup,  in stable_tree_search()
1680 			if (PTR_ERR(tree_page) == -EBUSY)  in stable_tree_search()
1683 			if (unlikely(!tree_page))  in stable_tree_search()
1689 			unlock_page(tree_page);  in stable_tree_search()
1693 				put_page(tree_page);  in stable_tree_search()
1696 			return tree_page;  in stable_tree_search()
1823 		struct page *tree_page;  in stable_tree_insert()  local
1829 		tree_page = chain(&stable_node_dup, stable_node, root);  in stable_tree_insert()
1851 			tree_page = get_ksm_page(stable_node_any,  in stable_tree_insert()
1855 		if (!tree_page) {  in stable_tree_insert()
1868 		ret = memcmp_pages(kpage, tree_page);  in stable_tree_insert()
1869 		put_page(tree_page);  in stable_tree_insert()
1940 		struct page *tree_page;  in unstable_tree_search_insert()  local
1945 		tree_page = get_mergeable_page(tree_rmap_item);  in unstable_tree_search_insert()
1946 		if (!tree_page)  in unstable_tree_search_insert()
1952 		if (page == tree_page) {  in unstable_tree_search_insert()
1953 			put_user_page(tree_page);  in unstable_tree_search_insert()
1957 		ret = memcmp_pages(page, tree_page);  in unstable_tree_search_insert()
1961 			put_user_page(tree_page);  in unstable_tree_search_insert()
1964 			put_user_page(tree_page);  in unstable_tree_search_insert()
1967 			   page_to_nid(tree_page) != nid) {  in unstable_tree_search_insert()
1973 			put_user_page(tree_page);  in unstable_tree_search_insert()
1976 			*tree_pagep = tree_page;  in unstable_tree_search_insert()
2041 	struct page *tree_page = NULL;  in cmp_and_merge_page()  local
2136 		unstable_tree_search_insert(rmap_item, page, &tree_page);  in cmp_and_merge_page()
2141 						tree_rmap_item, tree_page);  in cmp_and_merge_page()
2153 			&& compound_head(page) == compound_head(tree_page);  in cmp_and_merge_page()
2154 		put_user_page(tree_page);  in cmp_and_merge_page()