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-rwxr-xr-xdocs/configguide/installation.rst5
1 files changed, 5 insertions, 0 deletions
diff --git a/docs/configguide/installation.rst b/docs/configguide/installation.rst
index c2a23d5b..048c2675 100755
--- a/docs/configguide/installation.rst
+++ b/docs/configguide/installation.rst
@@ -201,3 +201,8 @@ You can review your hugepage amounts by executing the following command
.. code:: bash
cat /proc/meminfo | grep Huge
+
+If no hugepages are available vsperf will try to automatically allocate some.
+Allocation is controlled by HUGEPAGE_RAM_ALLOCATION configuration parameter in
+``02_vswitch.conf`` file. Default is 2GB, resulting in either 2 1GB hugepages
+or 1024 2MB hugepages.