From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keith Busch Subject: [PATCHv3 05/13] Documentation/ABI: Add new node sysfs attributes Date: Wed, 9 Jan 2019 10:43:33 -0700 Message-ID: <20190109174341.19818-6-keith.busch@intel.com> References: <20190109174341.19818-1-keith.busch@intel.com> Return-path: In-Reply-To: <20190109174341.19818-1-keith.busch@intel.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, linux-mm@kvack.org Cc: Greg Kroah-Hartman , Rafael Wysocki , Dave Hansen , Dan Williams , Keith Busch List-Id: linux-acpi@vger.kernel.org Add entries for memory initiator and target node class attributes. Signed-off-by: Keith Busch --- 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 Description: 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 +Description: + 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 +Description: + 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 +Description: + 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. -- 2.14.4