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cgroup: docs: Mention unbounded protection for memory.{low,min} 

I got asked why Memory{Low,Min} don't allow "infinity". They do, but the
docs don't say that like they already do for Memory{High,Max}.
This commit is contained in:
Chris Down 2019-09-30 14:23:32 +01:00
parent 28e68bb235
commit b62087d4d0
1 changed files with 6 additions and 2 deletions
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8
man/systemd.resource-control.xml
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@ -269,7 +269,9 @@
<para>Takes a memory size in bytes. If the value is suffixed with K, M, G or T, the specified memory size is
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 installed physical memory on the
system. This controls the <literal>memory.min</literal> control group attribute. For details about this
system. If assigned the special value <literal>infinity</literal>, all available memory is protected, which may be
useful in order to always inherit all of the protection afforded by ancestors.
This controls the <literal>memory.min</literal> control group attribute. For details about this
control group attribute, see <ulink
url="https://www.kernel.org/doc/Documentation/cgroup-v2.txt">cgroup-v2.txt</ulink>.</para>
@ -293,7 +295,9 @@
<para>Takes a memory size in bytes. If the value is suffixed with K, M, G or T, the specified memory size is
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 installed physical memory on the
system. This controls the <literal>memory.low</literal> control group attribute. For details about this
system. If assigned the special value <literal>infinity</literal>, all available memory is protected, which may be
useful in order to always inherit all of the protection afforded by ancestors.
This controls the <literal>memory.low</literal> control group attribute. For details about this
control group attribute, see <ulink
url="https://www.kernel.org/doc/Documentation/cgroup-v2.txt">cgroup-v2.txt</ulink>.</para>