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Message-Id: <1256943268-12164-9-git-send-email-gregkh@suse.de>
Date: Fri, 30 Oct 2009 15:54:28 -0700
From: Greg Kroah-Hartman <gregkh@...e.de>
To: linux-kernel@...r.kernel.org
Cc: Alex Chiang <achiang@...com>,
Randy Dunlap <randy.dunlap@...cle.com>,
Greg Kroah-Hartman <gregkh@...e.de>
Subject: [PATCH 9/9] Documentation: ABI: /sys/devices/system/cpu/cpu#/node
From: Alex Chiang <achiang@...com>
Describe NUMA node symlink created for CPUs when CONFIG_NUMA is set.
Cc: Randy Dunlap <randy.dunlap@...cle.com>
Signed-off-by: Alex Chiang <achiang@...com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
---
Documentation/ABI/testing/sysfs-devices-system-cpu | 15 +++++++++++++++
1 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu
index 968d8ba..a703b9e 100644
--- a/Documentation/ABI/testing/sysfs-devices-system-cpu
+++ b/Documentation/ABI/testing/sysfs-devices-system-cpu
@@ -62,6 +62,21 @@ Description: CPU topology files that describe kernel limits related to
See Documentation/cputopology.txt for more information.
+
+What: /sys/devices/system/cpu/cpu#/node
+Date: October 2009
+Contact: Linux memory management mailing list <linux-mm@...ck.org>
+Description: Discover NUMA node a CPU belongs to
+
+ When CONFIG_NUMA is enabled, a symbolic link that points
+ to the corresponding NUMA node directory.
+
+ For example, the following symlink is created for cpu42
+ in NUMA node 2:
+
+ /sys/devices/system/cpu/cpu42/node2 -> ../../node/node2
+
+
What: /sys/devices/system/cpu/cpu#/topology/core_id
/sys/devices/system/cpu/cpu#/topology/core_siblings
/sys/devices/system/cpu/cpu#/topology/core_siblings_list
--
1.6.4.2
--
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