[PATCHv3,05/13] Documentation/ABI: Add new node sysfs attributes
diff mbox series

Message ID 20190109174341.19818-6-keith.busch@intel.com
State New
Headers show
  • Heterogeneuos memory node attributes
Related show

Commit Message

Keith Busch Jan. 9, 2019, 5:43 p.m. UTC
Add entries for memory initiator and target node class attributes.

Signed-off-by: Keith Busch <keith.busch@intel.com>
 Documentation/ABI/stable/sysfs-devices-node | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

diff mbox series

diff --git a/Documentation/ABI/stable/sysfs-devices-node b/Documentation/ABI/stable/sysfs-devices-node
index 3e90e1f3bf0a..a9c47b4b0eee 100644
--- a/Documentation/ABI/stable/sysfs-devices-node
+++ b/Documentation/ABI/stable/sysfs-devices-node
@@ -90,4 +90,27 @@  Date:		December 2009
 Contact:	Lee Schermerhorn <lee.schermerhorn@hp.com>
 		The node's huge page size control/query attributes.
-		See Documentation/admin-guide/mm/hugetlbpage.rst
\ No newline at end of file
+		See Documentation/admin-guide/mm/hugetlbpage.rst
+What:		/sys/devices/system/node/nodeX/classY/
+Date:		December 2018
+Contact:	Keith Busch <keith.busch@intel.com>
+		The node's relationship to other nodes for access class "Y".
+What:		/sys/devices/system/node/nodeX/classY/initiator_nodelist
+Date:		December 2018
+Contact:	Keith Busch <keith.busch@intel.com>
+		The node list of memory initiators that have class "Y" access
+		to this node's memory. CPUs and other memory initiators in
+		nodes not in the list accessing this node's memory may have
+		different performance.
+What:		/sys/devices/system/node/nodeX/classY/target_nodelist
+Date:		December 2018
+Contact:	Keith Busch <keith.busch@intel.com>
+		The node list of memory targets that this initiator node has
+		class "Y" access. Memory accesses from this node to nodes not
+		in this list may have differet performance.