From 96e131ea091f748780776b81b7163f8084ed8244 Mon Sep 17 00:00:00 2001
From: WaLyong Cho <walyong.cho@samsung.com>
Date: Mon, 4 Jul 2016 07:03:54 +0000
Subject: core: introduce MemorySwapMax=

Similar to MemoryMax=, MemorySwapMax= limits swap usage. This controls
controls "memory.swap.max" attribute in unified cgroup.
---
 man/systemd.resource-control.xml | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'man')

diff --git a/man/systemd.resource-control.xml b/man/systemd.resource-control.xml
index 84dbfa2ff3..c11f420fe5 100644
--- a/man/systemd.resource-control.xml
+++ b/man/systemd.resource-control.xml
@@ -325,6 +325,24 @@
         </listitem>
       </varlistentry>
 
+      <varlistentry>
+        <term><varname>MemorySwapMax=<replaceable>bytes</replaceable></varname></term>
+
+        <listitem>
+          <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
+          special value <literal>infinity</literal>, no swap limit is applied. This controls the
+          <literal>memory.swap.max</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>
+
+          <para>Implies <literal>MemoryAccounting=true</literal>.</para>
+
+          <para>This setting is supported only if the unified control group hierarchy is used.</para>
+        </listitem>
+      </varlistentry>
+
       <varlistentry>
         <term><varname>MemoryLimit=<replaceable>bytes</replaceable></varname></term>
 
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