From bb1457012d04186ff7ffc6d5ee9a22b399e71be9 Mon Sep 17 00:00:00 2001
From: Osier Yang <jyang@redhat.com>
Date: Mon, 24 Sep 2012 23:08:31 +0800
Subject: [PATCH] node_memory: Improve the docs

To declare that it's not recommended to use the tuning API while
the outside tuning program (such as ksmtuned under Linux) is running.
---
 src/libvirt.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/libvirt.c b/src/libvirt.c
index 0cbcfbf288..43591c09b9 100644
--- a/src/libvirt.c
+++ b/src/libvirt.c
@@ -6794,6 +6794,12 @@ error:
  * @flags: extra flags; not used yet, so callers should always pass 0
  *
  * Change all or a subset of the node memory tunables.
+ *
+ * Note that it's not recommended to use this function while the
+ * outside tuning program is running (such as ksmtuned under Linux),
+ * as they could change the tunables in parallel, which could cause
+ * conflicts.
+ *
  * This function may require privileged access to the hypervisor.
  *
  * Returns 0 in case of success, -1 in case of failure.