From c0aa995c459ff01a2299bc5dc9a303b923f978c8 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 14 Mar 2012 14:13:12 +0100
Subject: [PATCH] man: document where we read kernel cmdline options from
 (cherry picked from commit
 45dc3a0478c61e83dedf26dc247fd3ddd2b20978)

---
 man/systemd.xml |   11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)

diff --git a/man/systemd.xml b/man/systemd.xml
index c1766e2..b1f57e3 100644
--- a/man/systemd.xml
+++ b/man/systemd.xml
@@ -948,7 +948,16 @@
         <refsect1>
                 <title>Kernel Command Line</title>
 
-                <para>When run as system instance systemd parses a few kernel command line arguments:</para>
+                <para>When run as system instance systemd parses a
+                number of kernel command line
+                arguments<footnote><para>If run inside a Linux
+                container these arguments may be passed as command
+                line arguments to systemd itself, next to any of the
+                command line options listed in the Options section
+                above. If run outside of Linux containers, these
+                arguments are parsed from
+                <filename>/proc/cmdline</filename>
+                instead.</para></footnote>:</para>
 
                 <variablelist>
                         <varlistentry>