From 77f5277a7abf7d6b0a4bbf4ecf872da0b92335b5 Mon Sep 17 00:00:00 2001
From: Pavel Sapezhko <me@weastur.com>
Date: Wed, 18 Nov 2020 17:54:01 +0300
Subject: [PATCH] man: clarify DefaultTasksMax doc

---
 man/systemd-system.conf.xml | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/man/systemd-system.conf.xml b/man/systemd-system.conf.xml
index 736218e519..0dea50f2fe 100644
--- a/man/systemd-system.conf.xml
+++ b/man/systemd-system.conf.xml
@@ -361,8 +361,10 @@
         <listitem><para>Configure the default value for the per-unit <varname>TasksMax=</varname> setting. See
         <citerefentry><refentrytitle>systemd.resource-control</refentrytitle><manvolnum>5</manvolnum></citerefentry>
         for details. This setting applies to all unit types that support resource control settings, with the exception
-        of slice units. Defaults to 15%, which equals 4915 with the kernel's defaults on the host, but might be smaller
-        in OS containers.</para></listitem>
+        of slice units. Defaults to 15% of the sysctl setting <varname>kernel.pid_max=</varname> or root cgroup <varname>pids.max</varname>.
+        Kernel has a default value for <varname>kernel.pid_max=</varname> and an algorithm of counting in case of more than 32 cores.
+        For example with the default <varname>kernel.pid_max=</varname>, <varname>DefaultTasksMax=</varname> defaults to 4915,
+        but might be greater in other systems or smaller in OS containers.</para></listitem>
       </varlistentry>
 
       <varlistentry>