linux-kernel - [PATCHv2 04/12] Documentation/ABI: Add new node sysfs attributes

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 10 Dec 2018 18:03:02 -0700
From:   Keith Busch <keith.busch@...el.com>
To:     linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
        linux-mm@...ck.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rafael Wysocki <rafael@...nel.org>,
        Dave Hansen <dave.hansen@...el.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Keith Busch <keith.busch@...el.com>
Subject: [PATCHv2 04/12] Documentation/ABI: Add new node sysfs attributes

Add the entries for primary cpu and memory node attributes.

Signed-off-by: Keith Busch <keith.busch@...el.com>
---
 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 <lee.schermerhorn@...com>
 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 <keith.busch@...el.com>
+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 <keith.busch@...el.com>
+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 <keith.busch@...el.com>
+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 <keith.busch@...el.com>
+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