Help need for increasing the zram size

Hello Garuda users,

Kernel: 6.6.3-zen1-1-zen arch: x86_64 bits: 64 compiler: gcc v: 13.2.1
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parameters: BOOT_IMAGE=/@/boot/vmlinuz-linux-zen
root=UUID=a526a2d4-154b-4828-bcc8-6b0798ec273d rw rootflags=subvol=@
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Device-1: NVIDIA TU117M [GeForce GTX 1650 Ti Mobile] vendor: Hewlett-Packard
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pcie: gen: 3 speed: 8 GT/s lanes: 8 link-max: lanes: 16 bus-ID: 01:00.1
chip-ID: 10de:10fa class-ID: 0403
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driver: N/A alternate: snd_pci_acp3x, snd_rn_pci_acp3x, snd_pci_acp5x,
snd_pci_acp6x, snd_acp_pci, snd_rpl_pci_acp6x, snd_pci_ps,
snd_sof_amd_renoir, snd_sof_amd_rembrandt, snd_sof_amd_vangogh pcie:
gen: 3 speed: 8 GT/s lanes: 16 link-max: gen: 4 speed: 16 GT/s
bus-ID: 05:00.5 chip-ID: 1022:15e2 class-ID: 0480
Device-3: AMD Family 17h/19h HD Audio vendor: Hewlett-Packard
driver: snd_hda_intel v: kernel pcie: gen: 3 speed: 8 GT/s lanes: 16
link-max: gen: 4 speed: 16 GT/s bus-ID: 05:00.6 chip-ID: 1022:15e3
class-ID: 0403
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4: pw-jack type: plugin tools: pactl,pw-cat,pw-cli,wpctl
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vendor: Hewlett-Packard driver: r8169 v: kernel pcie: gen: 1 speed: 2.5 GT/s
lanes: 1 port: e000 bus-ID: 02:00.0 chip-ID: 10ec:8168 class-ID: 0200
IF: eno1 state: down mac: <filter>
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vendor: Hewlett-Packard driver: rtw_8822ce v: N/A modules: rtw88_8822ce
pcie: gen: 1 speed: 2.5 GT/s lanes: 1 port: d000 bus-ID: 03:00.0
chip-ID: 10ec:c822 class-ID: 0280
IF: wlo1 state: up mac: <filter>
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speed: 12 Mb/s lanes: 1 mode: 1.1 bus-ID: 1-4:2 chip-ID: 0bda:b00c
class-ID: e001 serial: <filter>
Report: btmgmt ID: hci0 rfk-id: 1 state: down bt-service: enabled,running
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status: discoverable: no pairing: no
Local Storage: total: 1.14 TiB used: 8.05 GiB (0.7%)
SMART Message: Unable to run smartctl. Root privileges required.
ID-1: /dev/nvme0n1 maj-min: 259:0 vendor: Western Digital model: PC SN730
SDBPNTY-256G-1006 size: 238.47 GiB block-size: physical: 512 B
logical: 512 B speed: 31.6 Gb/s lanes: 4 tech: SSD serial: <filter>
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ID-2: /dev/sda maj-min: 8:0 vendor: Western Digital
model: WD10SPSX-60A6WT0 size: 931.51 GiB block-size: physical: 4096 B
logical: 512 B speed: 6.0 Gb/s tech: HDD rpm: 7200 serial: <filter>
fw-rev: 1A01 scheme: GPT
ID-1: / raw-size: 238.17 GiB size: 238.17 GiB (100.00%)
used: 8.05 GiB (3.4%) fs: btrfs dev: /dev/nvme0n1p2 maj-min: 259:2
ID-2: /boot/efi raw-size: 300 MiB size: 299.4 MiB (99.80%)
used: 576 KiB (0.2%) fs: vfat dev: /dev/nvme0n1p1 maj-min: 259:1
ID-3: /home raw-size: 238.17 GiB size: 238.17 GiB (100.00%)
used: 8.05 GiB (3.4%) fs: btrfs dev: /dev/nvme0n1p2 maj-min: 259:2
ID-4: /var/log raw-size: 238.17 GiB size: 238.17 GiB (100.00%)
used: 8.05 GiB (3.4%) fs: btrfs dev: /dev/nvme0n1p2 maj-min: 259:2
ID-5: /var/tmp raw-size: 238.17 GiB size: 238.17 GiB (100.00%)
used: 8.05 GiB (3.4%) fs: btrfs dev: /dev/nvme0n1p2 maj-min: 259:2
Kernel: swappiness: 133 (default 60) cache-pressure: 100 (default) zswap: no
ID-1: swap-1 type: zram size: 14.99 GiB used: 0 KiB (0.0%) priority: 100
comp: zstd avail: lzo,lzo-rle,lz4,lz4hc,842 max-streams: 12 dev: /dev/zram0
System Temperatures: cpu: 47.9 C mobo: N/A gpu: amdgpu temp: 47.0 C
Fan Speeds (rpm): fan-1: 0 fan-2: 0
Processes: 372 Uptime: 5m wakeups: 0 Memory: total: 16 GiB note: est.
available: 14.99 GiB used: 3.26 GiB (21.7%) Init: systemd v: 254
default: graphical tool: systemctl Compilers: gcc: 13.2.1 Packages:
pm: pacman pkgs: 1284 libs: 364 tools: octopi,paru Shell: fish v: 3.6.1
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Garuda (2.6.19-2):
System install date:     2023-11-29
Last full system update: 2023-11-29 ↻
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Relevant software:       snapper NetworkManager dracut nvidia-dkms
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Failed units:

So I have followed this guide to increase my zram size What can I do to get rid of swap and use zram only? | I made a mistake during the install - #8 by Cannabis

Here’s my config file,

host-memory-limit = none
zram-size = ram * 5
compression-algorithm = zstd
zram-fraction = 1

Zram is set up by default in Garuda Linux. There is no need to take any additional action.

See here, it is showing up as a swap device:

In the thread you linked, the person had set up a second swap device (in addition to the zram) which they wanted to remove. There were some complications with the approach that was chosen and zram needed to be reconfigured.


Yeah I agree that the zram is enabled by default in Garuda Linux but I just want to increase my zram size(by default it’s 15 gb). That’s why I have added zram-size = ram * 5 to my configuration file (/usr/lib/systemd/zram-generator.conf)

You have a total of 16 GB physical RAM installed,

How exactly are your plans to exceed that supposed to work? And why? It’s easy to setup, but not the way you are going about it. See the Arch Wiki.


First I have installed Garuda Linux on my HDD and edited zram configuration and it worked surprisingly. But now I have installed Garuda Linux on SSD and I’m using the same configuration file and it’s not working.
I’m an AOSP developer and 16gb ram is nothing for me to work things out that’s why I’m trying to increase the zram size.

Your use case is your use case. Read the wiki. zram - ArchWiki ( Section 1.1 looks interesting.


I think you are not understanding what zram is. What Bro is trying to explain is that zram, unlike a swap partition or a swap file, uses RAM–not the hard drive. If you want more zram you need to install more RAM.

If you need additional swap beyond what zram is providing you should set up another swap device using your hard drive.


I read somewhere that using a regular swap along zram is not ideal, if I recall correctly it would end up swapping to disk the recent pages and keeping least accessed ones in ram.
I have not experimented with it, but zram should also allow to set up a “backing device” to spill over to disk more efficiently.
Anyone tried that? I’m interested too.
OP may also be interested in trying other compression algorithms, maybe that can squeeze available RAM a little more (at the expense of higher CPU usage).

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No, you really can make multipliers, if I read the wiki right. It does have to be setup a bit different from OPs example. But I’m in the partial dark as to which/what ZRAM, ZSWAP, etc. & settings Garuda uses. IIRC, nico has made a change or so since Garuda’s inception.

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