[PATCH] audit: documentation of audit= kernel parameter

[Eric Paris <eparis@redhat.com>]

Further documentation of the 3 possible kernel value of the audit
command line option.

Signed-off-by: Eric Paris <eparis@redhat.com>
---
 Documentation/kernel-parameters.txt | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index ab86766..5867442 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -465,6 +465,14 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 
 	audit=		[KNL] Enable the audit sub-system
 			Format: { "0" | "1" } (0 = disabled, 1 = enabled)
+			0 - kernel audit is disabled and can not be enabled
+			    until the next reboot
+			unset - kernel audit is partially enabled and will
+			    be fully enabled by the userspace auditd
+			1 - kernel audit is partially enabled just like 'unset'
+			    only at most audit_backlog_limit messages will be
+			    retained in RAM and forwarded to userspace auditd
+			    when it being.
 			Default: unset
 			
 	audit_backlog_limit= [KNL] Set the audit queue size limit.
-- 
1.8.4.2