1 #!/bin/bash 2 # SPDX-License-Identifier: GPL-2.0-or-later 3 # Copyright (c) 2015 Oracle and/or its affiliates. All Rights Reserved. 4 # 5 # Test checks that we can create swap zram device. 6 # 7 # Author: Alexey Kodanev <alexey.kodanev@oracle.com> 8 # Modified: Naresh Kamboju <naresh.kamboju@linaro.org> 9 10 TCID="zram02" 11 ERR_CODE=0 12 13 . ./zram_lib.sh 14 15 # Test will create the following number of zram devices: 16 dev_num=1 17 # This is a list of parameters for zram devices. 18 # Number of items must be equal to 'dev_num' parameter. 19 zram_max_streams="2" 20 21 # The zram sysfs node 'disksize' value can be either in bytes, 22 # or you can use mem suffixes. But in some old kernels, mem 23 # suffixes are not supported, for example, in RHEL6.6GA's kernel 24 # layer, it uses strict_strtoull() to parse disksize which does 25 # not support mem suffixes, in some newer kernels, they use 26 # memparse() which supports mem suffixes. So here we just use 27 # bytes to make sure everything works correctly. 28 zram_sizes="1048576" # 1M 29 zram_mem_limits="1M" 30 31 check_prereqs 32 zram_load 33 zram_max_streams 34 zram_set_disksizes 35 zram_set_memlimit 36 zram_makeswap 37 zram_swapoff 38 zram_cleanup 39 40 if [ $ERR_CODE -ne 0 ]; then 41 echo "$TCID : [FAIL]" 42 else 43 echo "$TCID : [PASS]" 44 fi
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