config/ubuntu-20.04/etc/rc.local

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#!/bin/bash
echo 1 > /sys/module/zswap/parameters/enabled
echo zsmalloc > /sys/module/zswap/parameters/zpool
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echo 50 > /sys/module/zswap/parameters/max_pool_percent
echo zstd > /sys/module/zswap/parameters/compressor
grep -R . /sys/module/zswap/parameters
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grep -R . /sys/kernel/debug/zswap/
# Do not overcommit memory
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echo 2 > /proc/sys/vm/overcommit_memory
# But allow to use all physical+swap
echo 99 > /proc/sys/vm/overcommit_ratio