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4 changed files with 13 additions and 47 deletions

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@ -1,4 +1,2 @@
# The factor determines the ratio 1/n of RAM to allocate to the ZRAM block device, where FACTOR = n.
# The factor is the percentage of total system RAM to allocate to the ZRAM block device(s).
FACTOR=2
PRIORITY=1000

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@ -1,9 +1,8 @@
Name: zram
Version: 0.4
Release: 10%{?dist}
Version: 0.2
Release: 1%{?dist}
Summary: ZRAM for swap config and services for Fedora
# Automatically converted from old format: GPLv2+ - review is highly recommended.
License: GPL-2.0-or-later
License: GPLv2+
# No upstream as it's Fedora specific.
Source0: COPYING
@ -54,39 +53,6 @@ install -pm 0755 %{SOURCE4} %{buildroot}%{_sbindir}
%{_sbindir}/zramstop
%changelog
* Fri Jul 25 2025 Fedora Release Engineering <releng@fedoraproject.org> - 0.4-10
- Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild
* Sun Jan 19 2025 Fedora Release Engineering <releng@fedoraproject.org> - 0.4-9
- Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild
* Fri Jul 26 2024 Miroslav Suchý <msuchy@redhat.com> - 0.4-8
- convert license to SPDX
* Sat Jul 20 2024 Fedora Release Engineering <releng@fedoraproject.org> - 0.4-7
- Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild
* Sat Jan 27 2024 Fedora Release Engineering <releng@fedoraproject.org> - 0.4-6
- Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild
* Sat Jul 22 2023 Fedora Release Engineering <releng@fedoraproject.org> - 0.4-5
- Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild
* Sat Jan 21 2023 Fedora Release Engineering <releng@fedoraproject.org> - 0.4-4
- Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild
* Sat Jul 23 2022 Fedora Release Engineering <releng@fedoraproject.org> - 0.4-3
- Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild
* Sat Jan 22 2022 Fedora Release Engineering <releng@fedoraproject.org> - 0.4-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_36_Mass_Rebuild
* Wed Jun 26 2019 Peter Robinson <pbrobinson@fedoraproject.org> 0.4-1
- General improvements (Chris Murphy)
* Sat Nov 24 2018 Peter Robinson <pbrobinson@fedoraproject.org> 0.3-1
- Add support for swap priority
* Thu Jul 19 2018 Peter Robinson <pbrobinson@fedoraproject.org> 0.2-1
- Service ordering fixes, minor cleanup

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@ -2,24 +2,21 @@
#set -x
# default factor of 1/3 of RAM
factor=3
# default priority is maximum priority
priority=32767
[ -f /etc/zram.conf ] && source /etc/zram.conf || true
[ -z "$FACTOR" ] || factor=$FACTOR
[ -z "$PRIORITY" ] || priority=$PRIORITY
factor=$FACTOR
# Calculate ZRAM size
mem_total=$(free -w |grep "^Mem" |awk '{printf("%d",$2)}')
zram_size=$((${mem_total} / ${factor} /1024))
# ZRAM in recent kernels is multithreaded so we don't need to balance across CPUs
# zram in recent kernels is multitreaded so we don't need to balance across CPUs
modprobe -q zram num_devices=1
# Create ZRAM with first device, lz4 algorithm
zramdev=$(zramctl --find --algorithm lz4 --size ${zram_size}MB 2>&1)
# The above returns the device. Use it below
mkswap $zramdev
swapon -p $priority $zramdev
swapon $zramdev
# Investigate this and swapiness
# echo 0 > /proc/sys/vm/page-cluster

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@ -1,5 +1,10 @@
#!/bin/sh
for i in $(grep '^/dev/zram' /proc/swaps | awk '{ print $1 }'); do
swapoff "$i" && zramctl --reset "$i"
swapoff "$i"
done
if grep -q "^zram " /proc/modules; then
sleep 1
rmmod zram
fi