== sanityn test 51d: layout lock: losing layout lock should clean up memory map region ========================================================== 18:47:27 (1787870847) 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0512579 s, 20.5 MB/s Before revoking layout lock: 1024 KB mapped