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man: link to specific sections of cgroups-v2 document 

The document is rather huge, and a specific link is easier to consume. The form
is a bit strange because troff puts the symlink at the bottom, keyed by title,
so we need to use the same link target in all places.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2020-01-09 11:00:44 +01:00
parent bb6d563a50
commit 246be82bd4
1 changed files with 12 additions and 11 deletions
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23
man/systemd.resource-control.xml
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@ -274,7 +274,7 @@
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/html/latest/admin-guide/cgroup-v2.html">Control Groups v2</ulink>.</para>
url="https://www.kernel.org/doc/html/latest/admin-guide/cgroup-v2.html#memory-interface-files">Memory Interface Files</ulink>.</para>
<para>This setting is supported only if the unified control group hierarchy is used and disables
<varname>MemoryLimit=</varname>.</para>
@ -300,7 +300,7 @@
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/html/latest/admin-guide/cgroup-v2.html">Control Groups v2</ulink>.</para>
url="https://www.kernel.org/doc/html/latest/admin-guide/cgroup-v2.html#memory-interface-files">Memory Interface Files</ulink>.</para>
<para>This setting is supported only if the unified control group hierarchy is used and disables
<varname>MemoryLimit=</varname>.</para>
@ -325,7 +325,7 @@
system. If assigned 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/html/latest/admin-guide/cgroup-v2.html">Control Groups v2</ulink>.</para>
<ulink url="https://www.kernel.org/doc/html/latest/admin-guide/cgroup-v2.html#memory-interface-files">Memory Interface Files</ulink>.</para>
<para>This setting is supported only if the unified control group hierarchy is used and disables
<varname>MemoryLimit=</varname>.</para>
@ -346,7 +346,7 @@
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
<literal>memory.max</literal> control group attribute. For details about this control group attribute, see
<ulink url="https://www.kernel.org/doc/html/latest/admin-guide/cgroup-v2.html">Control Groups v2</ulink>.</para>
<ulink url="https://www.kernel.org/doc/html/latest/admin-guide/cgroup-v2.html#memory-interface-files">Memory Interface Files</ulink>.</para>
<para>This setting replaces <varname>MemoryLimit=</varname>.</para>
</listitem>
@ -362,7 +362,7 @@
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/html/latest/admin-guide/cgroup-v2.html">Control Groups v2</ulink>.</para>
see <ulink url="https://www.kernel.org/doc/html/latest/admin-guide/cgroup-v2.html#memory-interface-files">Memory Interface Files</ulink>.</para>
<para>This setting is supported only if the unified control group hierarchy is used and disables
<varname>MemoryLimit=</varname>.</para>
@ -431,8 +431,9 @@
hierarchy is used on the system. Takes a single weight value (between 1 and 10000) to set the default block
I/O weight. This controls the <literal>io.weight</literal> control group attribute, which defaults to
100. For details about this control group attribute, see <ulink
url="https://www.kernel.org/doc/html/latest/admin-guide/cgroup-v2.html">Control Groups v2</ulink>. The available I/O
bandwidth is split up among all units within one slice relative to their block I/O weight.</para>
url="https://www.kernel.org/doc/html/latest/admin-guide/cgroup-v2.html#io-interface-files">IO Interface Files</ulink>.
The available I/O bandwidth is split up among all units within one slice relative to their block
I/O weight.</para>
<para>While <varname>StartupIOWeight=</varname> only applies
to the startup phase of the system,
@ -457,7 +458,7 @@
device of the file system of the file is determined. This controls the <literal>io.weight</literal> control
group attribute, which defaults to 100. Use this option multiple times to set weights for multiple devices.
For details about this control group attribute, see <ulink
url="https://www.kernel.org/doc/html/latest/admin-guide/cgroup-v2.html">Control Groups v2</ulink>.</para>
url="https://www.kernel.org/doc/html/latest/admin-guide/cgroup-v2.html#io-interface-files">IO Interface Files</ulink>.</para>
<para>This setting replaces <varname>BlockIODeviceWeight=</varname> and disables settings prefixed with
<varname>BlockIO</varname> or <varname>StartupBlockIO</varname>.</para>
@ -479,7 +480,7 @@
"/dev/disk/by-path/pci-0000:00:1f.2-scsi-0:0:0:0 5M"). This controls the <literal>io.max</literal> control
group attributes. Use this option multiple times to set bandwidth limits for multiple devices. For details
about this control group attribute, see <ulink
url="https://www.kernel.org/doc/html/latest/admin-guide/cgroup-v2.html">Control Groups v2</ulink>.
url="https://www.kernel.org/doc/html/latest/admin-guide/cgroup-v2.html#io-interface-files">IO Interface Files</ulink>.
</para>
<para>These settings replace <varname>BlockIOReadBandwidth=</varname> and
@ -503,7 +504,7 @@
"/dev/disk/by-path/pci-0000:00:1f.2-scsi-0:0:0:0 1K"). This controls the <literal>io.max</literal> control
group attributes. Use this option multiple times to set IOPS limits for multiple devices. For details about
this control group attribute, see <ulink
url="https://www.kernel.org/doc/html/latest/admin-guide/cgroup-v2.html">Control Groups v2</ulink>.
url="https://www.kernel.org/doc/html/latest/admin-guide/cgroup-v2.html#io-interface-files">IO Interface Files</ulink>.
</para>
<para>These settings are supported only if the unified control group hierarchy is used and disable settings
@ -522,7 +523,7 @@
system of the file is determined. This controls the <literal>io.latency</literal> control group
attribute. Use this option multiple times to set latency target for multiple devices. For details about this
control group attribute, see <ulink
url="https://www.kernel.org/doc/html/latest/admin-guide/cgroup-v2.html">Control Groups v2</ulink>.</para>
url="https://www.kernel.org/doc/html/latest/admin-guide/cgroup-v2.html#io-interface-files">IO Interface Files</ulink>.</para>
<para>Implies <literal>IOAccounting=yes</literal>.</para>