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