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Merge pull request #13687 from cdown/cgroupv2_docs

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cgroup: minor doc improvements
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Anita Zhang 2019-09-30 14:00:38 -07:00 committed by GitHub
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12
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>
@ -310,7 +314,7 @@
<term><varname>MemoryHigh=<replaceable>bytes</replaceable></varname></term>
<listitem>
<para>Specify the high limit on memory usage of the executed processes in this unit. Memory usage may go
<para>Specify the throttling limit on memory usage of the executed processes in this unit. Memory usage may go
above the limit if unavoidable, but the processes are heavily slowed down and memory is taken away
aggressively in such cases. This is the main mechanism to control memory usage of a unit.</para>
@ -318,7 +322,7 @@
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. If assigned the
special value <literal>infinity</literal>, no memory limit is applied. This controls the
special value <literal>infinity</literal>, no memory throttling is applied. This controls the
<literal>memory.high</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>