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-rw-r--r--modules/pam_namespace/pam_namespace.8.xml10
1 files changed, 8 insertions, 2 deletions
diff --git a/modules/pam_namespace/pam_namespace.8.xml b/modules/pam_namespace/pam_namespace.8.xml
index 48021c80..6ec3ad23 100644
--- a/modules/pam_namespace/pam_namespace.8.xml
+++ b/modules/pam_namespace/pam_namespace.8.xml
@@ -246,12 +246,18 @@
This option can be used on systems where the / mount point or
its submounts are made shared (for example with a
<command>mount --make-rshared /</command> command).
- The module will make the polyinstantiated directory mount points
- private. Normally the pam_namespace will try to detect the
+ The module will mark the whole directory tree so any mount and
+ unmount operations in the polyinstantiation namespace are private.
+ Normally the pam_namespace will try to detect the
shared / mount point and make the polyinstantiated directories
private automatically. This option has to be used just when
only a subtree is shared and / is not.
</para>
+ <para>
+ Note that mounts and unmounts done in the private namespace will not
+ affect the parent namespace if this option is used or when the
+ shared / mount point is autodetected.
+ </para>
</listitem>
</varlistentry>