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Document how dss precedence affects huge allocation.

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Jason Evans 2014-03-31 09:16:59 -07:00
parent 82abf6fe69
commit 9c62ed44b0
1 changed files with 6 additions and 2 deletions
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doc/jemalloc.xml.in
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@ -1439,8 +1439,12 @@ malloc_conf = "xmalloc:true";]]></programlisting>
<listitem><para>Set the precedence of dss allocation as related to mmap
allocation for arena &lt;i&gt;, or for all arenas if &lt;i&gt; equals
<link
linkend="arenas.narenas"><mallctl>arenas.narenas</mallctl></link>. See
<link linkend="opt.dss"><mallctl>opt.dss</mallctl></link> for supported
linkend="arenas.narenas"><mallctl>arenas.narenas</mallctl></link>. Note
that even during huge allocation this setting is read from the arena
that would be chosen for small or large allocation so that applications
can depend on consistent dss versus mmap allocation regardless of
allocation size. See <link
linkend="opt.dss"><mallctl>opt.dss</mallctl></link> for supported
settings.
</para></listitem>
</varlistentry>