1 #!/bin/bash 2 # Copyright (c) 2015 Oracle and/or its affiliates. All Rights Reserved. 3 # 4 # This program is free software; you can redistribute it and/or 5 # modify it under the terms of the GNU General Public License as 6 # published by the Free Software Foundation; either version 2 of 7 # the License, or (at your option) any later version. 8 # 9 # This program is distributed in the hope that it would be useful, 10 # but WITHOUT ANY WARRANTY; without even the implied warranty of 11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 # GNU General Public License for more details. 13 # 14 # Test checks that we can create swap zram device. 15 # 16 # Author: Alexey Kodanev <alexey.kodanev (at] oracle.com> 17 # Modified: Naresh Kamboju <naresh.kamboju (at] linaro.org> 18 19 TCID="zram02" 20 ERR_CODE=0 21 22 . ./zram_lib.sh 23 24 # Test will create the following number of zram devices: 25 dev_num=1 26 # This is a list of parameters for zram devices. 27 # Number of items must be equal to 'dev_num' parameter. 28 zram_max_streams="2" 29 30 # The zram sysfs node 'disksize' value can be either in bytes, 31 # or you can use mem suffixes. But in some old kernels, mem 32 # suffixes are not supported, for example, in RHEL6.6GA's kernel 33 # layer, it uses strict_strtoull() to parse disksize which does 34 # not support mem suffixes, in some newer kernels, they use 35 # memparse() which supports mem suffixes. So here we just use 36 # bytes to make sure everything works correctly. 37 zram_sizes="1048576" # 1M 38 zram_mem_limits="1M" 39 40 check_prereqs 41 zram_load 42 zram_max_streams 43 zram_set_disksizes 44 zram_set_memlimit 45 zram_makeswap 46 zram_swapoff 47 zram_cleanup 48 zram_unload 49 50 if [ $ERR_CODE -ne 0 ]; then 51 echo "$TCID : [FAIL]" 52 else 53 echo "$TCID : [PASS]" 54 fi 55