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Message-ID: <20091110223704.25636.78808.stgit@bob.kio>
Date: Tue, 10 Nov 2009 15:37:04 -0700
From: Alex Chiang <achiang@...com>
To: akpm@...ux-foundation.org
Cc: Randy Dunlap <randy.dunlap@...cle.com>, linux-mm@...ck.org,
linux-kernel@...r.kernel.org, Greg KH <greg@...ah.com>
Subject: [PATCH v3 5/5] Documentation: ABI: /sys/devices/system/cpu/cpu#/node
Describe NUMA node symlink created for CPUs when CONFIG_NUMA is set.
Cc: Greg KH <greg@...ah.com>
Cc: Randy Dunlap <randy.dunlap@...cle.com>
Signed-off-by: Alex Chiang <achiang@...com>
---
Documentation/ABI/testing/sysfs-devices-system-cpu | 14 ++++++++++++++
1 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu
index 5aace16..1671634 100644
--- a/Documentation/ABI/testing/sysfs-devices-system-cpu
+++ b/Documentation/ABI/testing/sysfs-devices-system-cpu
@@ -94,6 +94,20 @@ Description: Discover and change the online state of a CPU.
For more information, please read Documentation/cpu-hotplug.txt
+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
--
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