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Commit 657348a0 authored by Alex Chiang's avatar Alex Chiang Committed by Greg Kroah-Hartman
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Documentation: ABI: /sys/devices/system/cpu/cpu#/node 



Describe NUMA node symlink created for CPUs when CONFIG_NUMA is set.

Cc: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: default avatarAlex Chiang <achiang@hp.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent c1fb5c47

Documentation/ABI/testing/sysfs-devices-system-cpu

+15 −0
Original line number Diff line number Diff line
@@ -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@kvack.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