600 	int rc;  in migrate_page()  local
604 	rc = migrate_page_move_mapping(mapping, newpage, page, NULL, mode, 0);  in migrate_page()
606 	if (rc != MIGRATEPAGE_SUCCESS)  in migrate_page()
607 		return rc;  in migrate_page()
624 	int rc;  in buffer_migrate_page()  local
631 	rc = migrate_page_move_mapping(mapping, newpage, page, head, mode, 0);  in buffer_migrate_page()
633 	if (rc != MIGRATEPAGE_SUCCESS)  in buffer_migrate_page()
634 		return rc;  in buffer_migrate_page()
686 	int rc;  in writeout()  local
706 	rc = mapping->a_ops->writepage(page, &wbc);  in writeout()
708 	if (rc != AOP_WRITEPAGE_ACTIVATE)  in writeout()
712 	return (rc < 0) ? -EIO : -EAGAIN;  in writeout()
754 	int rc;  in move_to_new_page()  local
761 		rc = migrate_page(mapping, newpage, page, mode);  in move_to_new_page()
769 		rc = mapping->a_ops->migratepage(mapping, newpage, page, mode);  in move_to_new_page()
771 		rc = fallback_migrate_page(mapping, newpage, page, mode);  in move_to_new_page()
777 	if (rc == MIGRATEPAGE_SUCCESS) {  in move_to_new_page()
782 	return rc;  in move_to_new_page()
788 	int rc = -EAGAIN;  in __unmap_and_move()  local
823 			rc = -EBUSY;  in __unmap_and_move()
867 		rc = balloon_page_migrate(newpage, page, mode);  in __unmap_and_move()
899 		rc = move_to_new_page(newpage, page, mode);  in __unmap_and_move()
903 			rc == MIGRATEPAGE_SUCCESS ? newpage : page);  in __unmap_and_move()
913 	return rc;  in __unmap_and_move()
936 	int rc = MIGRATEPAGE_SUCCESS;  in unmap_and_move()  local
954 	rc = __unmap_and_move(page, newpage, force, mode);  in unmap_and_move()
955 	if (rc == MIGRATEPAGE_SUCCESS)  in unmap_and_move()
959 	if (rc != -EAGAIN) {  in unmap_and_move()
970 		if (reason == MR_MEMORY_FAILURE && rc == MIGRATEPAGE_SUCCESS) {  in unmap_and_move()
993 	else if (rc == MIGRATEPAGE_SUCCESS && unlikely(!is_lru)) {  in unmap_and_move()
1000 		if (rc)  in unmap_and_move()
1001 			*result = rc;  in unmap_and_move()
1005 	return rc;  in unmap_and_move()
1031 	int rc = -EAGAIN;  in unmap_and_move_huge_page()  local
1065 		rc = -EBUSY;  in unmap_and_move_huge_page()
1082 		rc = move_to_new_page(new_hpage, hpage, mode);  in unmap_and_move_huge_page()
1086 			rc == MIGRATEPAGE_SUCCESS ? new_hpage : hpage);  in unmap_and_move_huge_page()
1094 	if (rc == MIGRATEPAGE_SUCCESS) {  in unmap_and_move_huge_page()
1102 	if (rc != -EAGAIN)  in unmap_and_move_huge_page()
1116 		if (rc)  in unmap_and_move_huge_page()
1117 			*result = rc;  in unmap_and_move_huge_page()
1121 	return rc;  in unmap_and_move_huge_page()
1156 	int rc;  in migrate_pages()  local
1168 				rc = unmap_and_move_huge_page(get_new_page,  in migrate_pages()
1172 				rc = unmap_and_move(get_new_page, put_new_page,  in migrate_pages()
1176 			switch(rc) {  in migrate_pages()
1198 	rc = nr_failed;  in migrate_pages()
1209 	return rc;  in migrate_pages()