[PATCHv4 05/13] Documentation/ABI: Add new node sysfs attributes

From: Keith Busch
Date: Wed Jan 16 2019 - 13:00:51 EST

Add entries for memory initiator and target node class attributes.

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

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@xxxxxx>
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@xxxxxxxxx>
+ 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@xxxxxxxxx>
+ 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@xxxxxxxxx>
+ 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.