Document new memory-ratio ipolicy in man pages.
Also add information about mem_node in ganeti manpage.

Signed-off-by: Oleg Ponomarev <[email protected]>
---
 man/ganeti.rst      | 4 ++--
 man/gnt-cluster.rst | 2 ++
 man/gnt-group.rst   | 2 ++
 man/htools.rst      | 1 +
 4 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/man/ganeti.rst b/man/ganeti.rst
index d3b37e8..b68ad08 100644
--- a/man/ganeti.rst
+++ b/man/ganeti.rst
@@ -179,8 +179,8 @@ cpu_node
   discovered or set manually. Only used for estimating how many VCPUs
   are left for instances
 
-Note that currently this option is unused by Ganeti; values will be
-recorded but will not influence the Ganeti operation.
+Note that currently only ``mem_node`` is used by Ganeti; other values
+will be recorded but will not influence the Ganeti operation.
 
 
 Disk State Parameters
diff --git a/man/gnt-cluster.rst b/man/gnt-cluster.rst
index 2187c7d..3e704cd 100644
--- a/man/gnt-cluster.rst
+++ b/man/gnt-cluster.rst
@@ -198,6 +198,7 @@ INIT
 | [\--ipolicy-disk-templates *template* [,*template*...]]
 | [\--ipolicy-spindle-ratio *ratio*]
 | [\--ipolicy-vcpu-ratio *ratio*]
+| [\--ipolicy-memory-ratio *ratio*]
 | [\--disk-state *diskstate*]
 | [\--hypervisor-state *hvstate*]
 | [\--drbd-usermode-helper *helper*]
@@ -582,6 +583,7 @@ of cluster-wide enabled disk templates (which can be set 
with
 
 - ``--ipolicy-spindle-ratio`` limits the instances-spindles ratio
 - ``--ipolicy-vcpu-ratio`` limits the vcpu-cpu ratio
+- ``--ipolicy-memory-ratio`` limits the memory over-commitment ratio
 
 All the instance policy elements can be overridden at group level. Group
 level overrides can be removed by specifying ``default`` as the value of
diff --git a/man/gnt-group.rst b/man/gnt-group.rst
index 1c313b2..7864687 100644
--- a/man/gnt-group.rst
+++ b/man/gnt-group.rst
@@ -31,6 +31,7 @@ ADD
 | [\--ipolicy-disk-templates *template* [,*template*...]]
 | [\--ipolicy-spindle-ratio *ratio*]
 | [\--ipolicy-vcpu-ratio *ratio*]
+| [\--ipolicy-memory-ratio *ratio*]
 | [\--disk-state *diskstate*]
 | [\--hypervisor-state *hvstate*]
 | {*group*}
@@ -103,6 +104,7 @@ MODIFY
 | [\--ipolicy-disk-templates *template* [,*template*...]]
 | [\--ipolicy-spindle-ratio *ratio*]
 | [\--ipolicy-vcpu-ratio *ratio*]
+| [\--ipolicy-memory-ratio *ratio*]
 | {*group*}
 
 Modifies some parameters from the node group.
diff --git a/man/htools.rst b/man/htools.rst
index f1ff44b..cdf3c8d 100644
--- a/man/htools.rst
+++ b/man/htools.rst
@@ -224,6 +224,7 @@ support all options. Some common options are:
   - disk templates
   - vcpu ratio
   - spindle ratio
+  - memory ratio (optional)
 
 \--mond=*yes|no*
   If given the program will query all MonDs to fetch data from the
-- 
2.6.0.rc2.230.g3dd15c0

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