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Commit cba5dd7f authored by Alex Chiang's avatar Alex Chiang Committed by Linus Torvalds
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Documentation: ABI: /sys/devices/system/cpu/cpu#/node 



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

Signed-off-by: default avatarAlex Chiang <achiang@hp.com>
Cc: Greg KH <greg@kroah.com>
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Gary Hade <garyhade@us.ibm.com>
Cc: Badari Pulavarty <pbadari@us.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: David Rientjes <rientjes@google.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 1830794a

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

+14 −0
Original line number Diff line number Diff line
@@ -92,6 +92,20 @@ Description: Discover NUMA node a CPU belongs to 
		/sys/devices/system/cpu/cpu42/node2 -> ../../node/node2





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