601 	int rc;  in migrate_page()  local
605 	rc = migrate_page_move_mapping(mapping, newpage, page, NULL, mode, 0);  in migrate_page()
607 	if (rc != MIGRATEPAGE_SUCCESS)  in migrate_page()
608 		return rc;  in migrate_page()
625 	int rc;  in buffer_migrate_page()  local
632 	rc = migrate_page_move_mapping(mapping, newpage, page, head, mode, 0);  in buffer_migrate_page()
634 	if (rc != MIGRATEPAGE_SUCCESS)  in buffer_migrate_page()
635 		return rc;  in buffer_migrate_page()
687 	int rc;  in writeout()  local
707 	rc = mapping->a_ops->writepage(page, &wbc);  in writeout()
709 	if (rc != AOP_WRITEPAGE_ACTIVATE)  in writeout()
713 	return (rc < 0) ? -EIO : -EAGAIN;  in writeout()
755 	int rc;  in move_to_new_page()  local
773 		rc = migrate_page(mapping, newpage, page, mode);  in move_to_new_page()
781 		rc = mapping->a_ops->migratepage(mapping,  in move_to_new_page()
784 		rc = fallback_migrate_page(mapping, newpage, page, mode);  in move_to_new_page()
786 	if (rc != MIGRATEPAGE_SUCCESS) {  in move_to_new_page()
797 	return rc;  in move_to_new_page()
803 	int rc = -EAGAIN;  in __unmap_and_move()  local
838 			rc = -EBUSY;  in __unmap_and_move()
890 		rc = balloon_page_migrate(newpage, page, mode);  in __unmap_and_move()
920 		rc = move_to_new_page(newpage, page, remap_swapcache, mode);  in __unmap_and_move()
922 	if (rc && remap_swapcache)  in __unmap_and_move()
932 	return rc;  in __unmap_and_move()
943 	int rc = 0;  in unmap_and_move()  local
959 	rc = __unmap_and_move(page, newpage, force, mode);  in unmap_and_move()
962 	if (rc != -EAGAIN) {  in unmap_and_move()
980 	if (rc != MIGRATEPAGE_SUCCESS && put_new_page) {  in unmap_and_move()
990 		if (rc)  in unmap_and_move()
991 			*result = rc;  in unmap_and_move()
995 	return rc;  in unmap_and_move()
1021 	int rc = 0;  in unmap_and_move_huge_page()  local
1042 	rc = -EAGAIN;  in unmap_and_move_huge_page()
1056 		rc = move_to_new_page(new_hpage, hpage, 1, mode);  in unmap_and_move_huge_page()
1058 	if (rc != MIGRATEPAGE_SUCCESS)  in unmap_and_move_huge_page()
1064 	if (rc == MIGRATEPAGE_SUCCESS)  in unmap_and_move_huge_page()
1069 	if (rc != -EAGAIN)  in unmap_and_move_huge_page()
1077 	if (rc != MIGRATEPAGE_SUCCESS && put_new_page)  in unmap_and_move_huge_page()
1083 		if (rc)  in unmap_and_move_huge_page()
1084 			*result = rc;  in unmap_and_move_huge_page()
1088 	return rc;  in unmap_and_move_huge_page()
1123 	int rc;  in migrate_pages()  local
1135 				rc = unmap_and_move_huge_page(get_new_page,  in migrate_pages()
1139 				rc = unmap_and_move(get_new_page, put_new_page,  in migrate_pages()
1142 			switch(rc) {  in migrate_pages()
1163 	rc = nr_failed + retry;  in migrate_pages()
1174 	return rc;  in migrate_pages()