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[192.55.52.88]) by mx.google.com with ESMTPS id e188si7088344pfa.16.2019.01.16.09.59.40 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 16 Jan 2019 09:59:40 -0800 (PST) Received-SPF: pass (google.com: domain of keith.busch@intel.com designates 192.55.52.88 as permitted sender) client-ip=192.55.52.88; Authentication-Results: mx.google.com; spf=pass (google.com: domain of keith.busch@intel.com designates 192.55.52.88 as permitted sender) smtp.mailfrom=keith.busch@intel.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 16 Jan 2019 09:59:38 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,487,1539673200"; d="scan'208";a="117227782" Received: from unknown (HELO localhost.lm.intel.com) ([10.232.112.69]) by fmsmga008.fm.intel.com with ESMTP; 16 Jan 2019 09:59:38 -0800 From: Keith Busch 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 Subject: [PATCHv4 05/13] Documentation/ABI: Add new node sysfs attributes Date: Wed, 16 Jan 2019 10:57:56 -0700 Message-Id: <20190116175804.30196-6-keith.busch@intel.com> X-Mailer: git-send-email 2.13.6 In-Reply-To: <20190116175804.30196-1-keith.busch@intel.com> References: <20190116175804.30196-1-keith.busch@intel.com> X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: X-Virus-Scanned: ClamAV using ClamSMTP 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.