[systemd-devel] Restricting swap usage for a process managed via systemd

Thu Jul 8 16:05:10 UTC 2021

Hello Debraj.

On Thu, Jul 08, 2021 at 05:10:44PM +0530, Debraj Manna <subharaj.manna at gmail.com> wrote:
> >> Linux vrni-platform 4.15.0-143-generic #147-Ubuntu SMP Wed Apr 14 16:10:11 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
> [...]
> GRUB_CMDLINE_LINUX="audit=1 rootdelay=180 nousb net.ifnames=0 biosdevname=0
> fsck.mode=force fsck.repair=yes ipv6.disable=1
> systemd.unified_cgroup_hierarchy=1"
> 
> Even after making these changes MemorySwapMax not taking into effect.

You need to add also swapaccount=1, swap accounting is enabled by
default only since kernel v5.8.

HTH,
Michal
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