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21 lines
506 B
Plaintext
21 lines
506 B
Plaintext
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#!/bin/sh
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num_cpus=$(grep -c processor /proc/cpuinfo)
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[ "$num_cpus" != 0 ] || num_cpus=1
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last_cpu=$((num_cpus - 1))
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FACTOR=90
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[ -f /etc/default/zram ] && source /etc/default/zram || true
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factor=$FACTOR # percentage
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memtotal=$(grep MemTotal /proc/meminfo | awk ' { print $2 } ')
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mem_by_cpu=$(($memtotal/$num_cpus*$factor/100*1024))
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modprobe -q zram num_devices=$num_cpus
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for i in $(seq 0 $last_cpu); do
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echo $mem_by_cpu > /sys/block/zram$i/disksize
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mkswap /dev/zram$i
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swapon -p 100 /dev/zram$i
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done
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