From 3e35dd0033acd8249e4b2fd9b37c5914b755cba6 Mon Sep 17 00:00:00 2001 From: Waldemar Znoinski Date: Tue, 29 Sep 2015 22:32:10 +0000 Subject: [PATCH] Add Large pages meta definition This metadef enables Guest Memory backing namespace and large pagesize property in Nova::Flavor, Glance::Image, Cinder::Volume(image) resource types metadata Change-Id: I6566622a026d80115993cce1b5dc29878bcef0b7 Closes-Bug: #1476732 --- .../compute-guest-memory-backing.json | 29 +++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 etc/metadefs/compute-guest-memory-backing.json diff --git a/etc/metadefs/compute-guest-memory-backing.json b/etc/metadefs/compute-guest-memory-backing.json new file mode 100644 index 0000000000..f0e4e682e3 --- /dev/null +++ b/etc/metadefs/compute-guest-memory-backing.json @@ -0,0 +1,29 @@ +{ + "namespace": "OS::Compute::GuestMemoryBacking", + "display_name": "Guest Memory Backing", + "description": "This provides the preferred backing option for guest RAM. Guest's memory can be backed by hugepages to limit TLB lookups. See also: https://wiki.openstack.org/wiki/VirtDriverGuestCPUMemoryPlacement", + "visibility": "public", + "protected": true, + "resource_type_associations": [ + { + "name": "OS::Nova::Flavor", + "prefix": "hw:" + }, + { + "name": "OS::Glance::Image", + "prefix": "hw_" + }, + { + "name": "OS::Cinder::Volume", + "prefix": "hw_", + "properties_target": "image" + } + ], + "properties": { + "mem_page_size": { + "title": "Size of memory page", + "description": "Page size to be used for Guest memory backing. Value can be specified as (i.e.: 2MB, 1GB) or 'any', 'small', 'large'. If this property is set in Image metadata then only 'any' and 'large' values are accepted in Flavor metadata by Nova API.", + "type": "string" + } + } +} \ No newline at end of file