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Documentation: ABI: /sys/devices/system/cpu/cpu#/node

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

Cc: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Alex Chiang 2009-10-21 22:15:30 -06:00 committed by Greg Kroah-Hartman
parent c1fb5c4751
commit 657348a056
1 changed files with 15 additions and 0 deletions
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Documentation/ABI/testing/sysfs-devices-system-cpu
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@ -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