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Document that MemorySwapMax supports % configuration

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Certainly on systemd 252 at least a configuration of
```
MemorySwapMax=40%
```
is supported but this was missing from the man page.
Only MemoryMax was documented as supporting a %.

(cherry picked from commit 8af38e5b0475f514141d314088dcf9fffd7edc37)
This commit is contained in:
Steve Traylen 2024-07-03 14:19:08 +02:00 committed by Daan De Meyer
parent 1922d49fd6
commit 766af3f782
1 changed files with 2 additions and 1 deletions
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3
man/systemd.resource-control.xml
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@ -462,7 +462,8 @@ CPUWeight=20 DisableControllers=cpu / \
<para>Specify the absolute limit on swap usage of the executed processes in this unit.</para>
<para>Takes a swap size in bytes. If the value is suffixed with K, M, G or T, the specified swap size is
parsed as Kilobytes, Megabytes, Gigabytes, or Terabytes (with the base 1024), respectively. If assigned the
parsed as Kilobytes, Megabytes, Gigabytes, or Terabytes (with the base 1024), respectively. Alternatively, a
percentage value may be specified, which is taken relative to the specified swap size on the system. If assigned the
special value <literal>infinity</literal>, no swap limit is applied. These settings control the
<literal>memory.swap.max</literal> control group attribute. For details about this control group attribute,
see <ulink url="https://docs.kernel.org/admin-guide/cgroup-v2.html#memory-interface-files">Memory Interface Files</ulink>.</para>