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man: document DefaultStartupMemoryLow=

Fixes https://github.com/systemd/systemd/issues/26493
This commit is contained in:
Luca Boccassi 2023-02-20 12:52:33 +00:00 committed by Luca Boccassi
parent eb483e7ae1
commit 96f321b6b4

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@ -280,7 +280,8 @@
<para>Units may have their children use a default <literal>memory.min</literal> or
<literal>memory.low</literal> value by specifying <varname>DefaultMemoryMin=</varname> or
<varname>DefaultMemoryLow=</varname>, which has the same semantics as
<varname>MemoryMin=</varname> and <varname>MemoryLow=</varname>.
<varname>MemoryMin=</varname> and <varname>MemoryLow=</varname>, or <varname>DefaultStartupMemoryLow=</varname>
which has the same semantics as <varname>StartupMemoryLow=</varname>.
This setting does not affect <literal>memory.min</literal> or <literal>memory.low</literal>
in the unit itself.
Using it to set a default child allocation is only useful on kernels older than 5.7,