1#!/bin/sh 2# Copyright (c) 2015 Oracle and/or its affiliates. All Rights Reserved. 3# Copyright (c) 2019 Petr Vorel <pvorel@suse.cz> 4# Author: Alexey Kodanev <alexey.kodanev@oracle.com> 5# 6# Test checks that we can create swap zram device. 7 8TST_CNT=5 9TST_TESTFUNC="do_test" 10. zram_lib.sh 11 12# Test will create the following number of zram devices: 13dev_num=1 14# This is a list of parameters for zram devices. 15# Number of items must be equal to 'dev_num' parameter. 16zram_max_streams="2" 17 18# The zram sysfs node 'disksize' value can be either in bytes, 19# or you can use mem suffixes. But in some old kernels, mem 20# suffixes are not supported, for example, in RHEL6.6GA's kernel 21# layer, it uses strict_strtoull() to parse disksize which does 22# not support mem suffixes, in some newer kernels, they use 23# memparse() which supports mem suffixes. So here we just use 24# bytes to make sure everything works correctly. 25zram_sizes="107374182400" # 100GB 26zram_mem_limits="1M" 27 28do_test() 29{ 30 case $1 in 31 1) zram_max_streams;; 32 2) zram_set_disksizes;; 33 3) zram_set_memlimit;; 34 4) zram_makeswap;; 35 5) zram_swapoff;; 36 esac 37} 38 39tst_run 40