mirror of
https://github.com/pentoo/pentoo-overlay
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43 lines
1.3 KiB
Text
43 lines
1.3 KiB
Text
#!/sbin/openrc-run
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# Copyright 1999-2018 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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start() {
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ebegin "Starting pentoo-zram"
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RETVAL=0
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if [ -z "${ZRAM_ABSOLUTE}" ]; then
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#echo $(expr $(awk '/MemTotal/ {print $2}' /proc/meminfo) / 3)k
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ZRAM_ABSOLUTE=$(echo "$(awk '/MemTotal/ {print $2}' /proc/meminfo) * 0.${ZRAM_PERCENT:-17}" | bc)k
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fi
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modprobe zram
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sleep 1
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nproc > /sys/devices/virtual/block/zram0/max_comp_streams || REVAL=$?
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echo zstd > /sys/devices/virtual/block/zram0/comp_algorithm || RETVAL=$?
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echo "${ZRAM_ABSOLUTE/\.??/}" > /sys/devices/virtual/block/zram0/disksize || RETVAL=$?
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eindent
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ebegin "Formatting swap"
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timeout -k 31 30 mkswap /dev/zram0 > /dev/null || RETVAL=$?
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if [ "${RETVAL}" = "124" ]; then
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cmdline="$(cat /proc/cmdline)"
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if [ "${cmdline#*cdroot}" != "${cmdline}" ]; then
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eend 124 "mkswap timed out, if you see this a lot \"rc-service del pentoo-zram\""
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else
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eend ${RETVAL} "mkswap timed out, no ZRAM available"
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fi
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else
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eend ${RETVAL}
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fi
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eoutdent
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if [ "${RETVAL}" = "0" ]; then
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ebegin "Activating ZRAM swap device"
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swapon /dev/zram0 -p 10 > /dev/null || RETVAL=$?
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eend ${RETVAL}
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fi
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}
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# Swap gets torn down without help from this init script
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#stop() {
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# ebegin "Stopping pentoo-zram"
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# true
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# eend $?
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#}
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