== sanityn test 51d: layout lock: losing layout lock should clean up memory map region ========================================================== 03:52:28 (1789113148) 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0573378 s, 18.3 MB/s Before revoking layout lock: 1024 KB mapped