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zramswapon
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File zramswapon of Package zram-systemd
#!/bin/bash # get the number of CPUs num_cpus=$(grep -c processor /proc/cpuinfo) # if something goes wrong, assume we have 1 [ "$num_cpus" != 0 ] || num_cpus=1 # set decremented number of CPUs decr_num_cpus=$((num_cpus - 1)) # get the amount of memory in the machine mem_total_kb=$(grep MemTotal /proc/meminfo | grep -E --only-matching '[[:digit:]]+') mem_total=$((mem_total_kb * 1024)) # load dependency modules #modprobe zram zram_num_devices=$num_cpus # Determine module parm mod_parm=$(modinfo zram |grep parm |tr -s " " |cut -f2 -d ":") modprobe zram $mod_parm=$num_cpus # initialize the devices for i in $(seq 0 $decr_num_cpus); do echo $((mem_total / num_cpus)) > /sys/block/zram$i/disksize done # Creating swap filesystems for i in $(seq 0 $decr_num_cpus); do mkswap /dev/zram$i done # Switch the swaps on for i in $(seq 0 $decr_num_cpus); do swapon -p 100 /dev/zram$i done
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