From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf1-f198.google.com (mail-pf1-f198.google.com [209.85.210.198]) by kanga.kvack.org (Postfix) with ESMTP id D53EB8E006E for ; Mon, 10 Dec 2018 20:05:48 -0500 (EST) Received: by mail-pf1-f198.google.com with SMTP id i3so11261070pfj.4 for ; Mon, 10 Dec 2018 17:05:48 -0800 (PST) Received: from mga05.intel.com (mga05.intel.com. [192.55.52.43]) by mx.google.com with ESMTPS id i1si11402278pfj.276.2018.12.10.17.05.47 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 10 Dec 2018 17:05:47 -0800 (PST) From: Keith Busch Subject: [PATCHv2 04/12] Documentation/ABI: Add new node sysfs attributes Date: Mon, 10 Dec 2018 18:03:02 -0700 Message-Id: <20181211010310.8551-5-keith.busch@intel.com> In-Reply-To: <20181211010310.8551-1-keith.busch@intel.com> References: <20181211010310.8551-1-keith.busch@intel.com> Sender: owner-linux-mm@kvack.org List-ID: 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 Add the entries for primary cpu and memory node attributes. Signed-off-by: Keith Busch --- Documentation/ABI/stable/sysfs-devices-node | 34 ++++++++++++++++++++++++++++- 1 file changed, 33 insertions(+), 1 deletion(-) diff --git a/Documentation/ABI/stable/sysfs-devices-node b/Documentation/ABI/stable/sysfs-devices-node index 3e90e1f3bf0a..8430d5b261f6 100644 --- a/Documentation/ABI/stable/sysfs-devices-node +++ b/Documentation/ABI/stable/sysfs-devices-node @@ -90,4 +90,36 @@ 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/primary_cpu_nodelist +Date: December 2018 +Contact: Keith Busch +Description: + The node list of CPUs that have primary access to this node's + memory. CPUs not in the list accessing this node's memory may + encounter a performance penalty. + +What: /sys/devices/system/node/nodeX/primary_cpu_nodemask +Date: December 2018 +Contact: Keith Busch +Description: + The node map for CPUs that have primary access to this node's + memory. CPUs not in the list accessing this node's memory may + encounter a performance penalty. + +What: /sys/devices/system/node/nodeX/primary_mem_nodelist +Date: December 2018 +Contact: Keith Busch +Description: + The list of memory nodes that this node has primary access. + Memory accesses from this node to nodes not in this list may + encounter a performance penalty. + +What: /sys/devices/system/node/nodeX/primary_mem_nodemask +Date: December 2018 +Contact: Keith Busch +Description: + The map of memory nodes that this node has primary access. + Memory accesses from this node to nodes not in this map may + encounter a performance penalty. -- 2.14.4