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-rw-r--r--man/systemd.resource-control.xml3
1 files changed, 2 insertions, 1 deletions
diff --git a/man/systemd.resource-control.xml b/man/systemd.resource-control.xml
index 3773a38..2ffc279 100644
--- a/man/systemd.resource-control.xml
+++ b/man/systemd.resource-control.xml
@@ -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>