I have now set it to ``` [zram0] zram-size = 32*1024 ``` and tried ``` sudo systemctl daemon-reload sudo systemctl restart systemd-zram-setup@zram0 ``` But it fails with ``` Job for systemd-zram-setup@zram0.service failed because the control process exited with error code. See "systemctl status systemd-zram-setup@zram0.service" and "journalctl -xeu systemd-zram-setup@zram0.service" for details. nov. 20 16:01:21 D2S3Q34 systemd[1]: Starting systemd-zram-setup@zram0.service - Create swap on /dev/zram0... nov. 20 16:01:21 D2S3Q34 zram-generator[162009]: Error: Failed to configure disk size into /sys/block/zram0/disksize nov. 20 16:01:21 D2S3Q34 zram-generator[162009]: Caused by: nov. 20 16:01:21 D2S3Q34 zram-generator[162009]: Device or resource busy (os error 16) nov. 20 16:01:21 D2S3Q34 systemd[1]: systemd-zram-setup@zram0.service: Main process exited, code=exited, status=1/FAILURE nov. 20 16:01:21 D2S3Q34 systemd[1]: systemd-zram-setup@zram0.service: Failed with result 'exit-code'. nov. 20 16:01:21 D2S3Q34 systemd[1]: Failed to start systemd-zram-setup@zram0.service - Create swap on /dev/zram0. ```
On Wed, Nov 20, 2024 at 3:59 PM Zbigniew Jędrzejewski-Szmek < zbys...@in.waw.pl> wrote: > On Thu, Nov 07, 2024 at 07:35:43PM +0100, Michal Koutný wrote: > > Hello Torstein. > > > > On Tue, Nov 05, 2024 at 03:51:31PM GMT, Torstein Sřrnes < > t.soer...@gmail.com> wrote: > > > I have a Fedora 41 laptop with 32GB of ram. > > > > > > On startup, this shows in the journal: > > > ``` > > > nov. 05 13:58:32 D2S3Q34 zram-generator[1059]: Error: Failed to > configure > > > disk size into /sys/block/zram0/disksize > > > nov. 05 13:58:32 D2S3Q34 zram-generator[1059]: Caused by: > > > nov. 05 13:58:32 D2S3Q34 zram-generator[1059]: Cannot allocate > memory > > > (os error 12) > > > nov. 05 13:58:32 D2S3Q34 kernel: zram-generator: vmalloc error: size > > > 131072000000000, exceeds total pages, > mode:0xdc0(GFP_KERNEL|__GFP_ZERO), > > ^^^^^^^^^^^^^^^ > > This value looks suspicious. > > The value specified as 'zram-size' is in megabytes. To specify 32GB, you > need to say '32*1024'. > > The parsing of suffixes was a bit accidental. We originally had > simpler parser that only parsed ints, and then when fasteval was added > to parse formulas, I guess we didn't consider how suffixes would be > handled. I don't think we can change this now, because this was > documented behaviour and people may have used something like '4k' > to get 4000 MB. I think the nice backwards-compatible solution would > be to add a new setting, e.g. disk-size that is evaluated as bytes, > and soft-deprecate zram-size. > > Zbyszek >
