Re: [libvirt] [PATCH] docs: Warn against locked memory limit too high

https://bugzilla.redhat.com/show_bug.cgi?id=1046833 Signed-off-by: Jiri Denemark <jdenemar(a)redhat.com&gt; --- docs/formatdomain.html.in | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in index f660aa6..b0b2f82 100644 --- a/docs/formatdomain.html.in +++ b/docs/formatdomain.html.in @@ -862,8 +862,11 @@ be allowed to swap them out. For QEMU/KVM this requires <code>hard_limit</code> <a href="#elementsMemoryTuning">memory tuning</a> element to be used and set to the maximum memory configured for the - domain plus any memory consumed by the QEMU process itself. - <span class="since">Since 1.0.6</span></dd> + domain plus any memory consumed by the QEMU process itself. Beware of + setting the memory limit too high (and thus allowing the domain to lock + most of the host's memory). Doing so may be dangerous to both the + domain and the host itself since the host's kernel may run out of + memory. <span class="since">Since 1.0.6</span></dd> </dl>