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 10TCID="zram02" 11ERR_CODE=0 12 13. ./zram_lib.sh 14 15# Test will create the following number of zram devices: 16dev_num=1 17# This is a list of parameters for zram devices. 18# Number of items must be equal to 'dev_num' parameter. 19zram_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. 28zram_sizes="1048576" # 1M 29zram_mem_limits="1M" 30 31check_prereqs 32zram_load 33zram_max_streams 34zram_set_disksizes 35zram_set_memlimit 36zram_makeswap 37zram_swapoff 38zram_cleanup 39zram_unload 40 41if [ $ERR_CODE -ne 0 ]; then 42 echo "$TCID : [FAIL]" 43else 44 echo "$TCID : [PASS]" 45fi 46