27 lines
573 B
Bash
27 lines
573 B
Bash
#!/bin/bash
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### BEGIN INIT INFO
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# Provides: zram
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# Required-Start:
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# Required-Stop:
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# Default-Start: 3
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# Default-Stop:
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# Short-Description: Boost memory performance
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# Description:
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### END INIT INFO
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cores=$(nproc --all)
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modprobe zram num_devices=$cores
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swapoff -a
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totalmem=`free | grep -e "^Mem:" | awk '{print $2}'`
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mem=$(( ($totalmem / $cores)* 1024 ))
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core=0
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while [ $core -lt $cores ]; do
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echo $mem > /sys/block/zram$core/disksize
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echo lz4 > /sys/block/zram$core/comp_algorithm
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mkswap /dev/zram$core
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swapon -p 5 /dev/zram$core
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let core=core+1
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done
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