aboutsummaryrefslogtreecommitdiffstats
path: root/Documentation/ABI
diff options
context:
space:
mode:
authorAlex Chiang <achiang@hp.com>2009-10-22 00:15:30 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2009-10-30 17:59:53 -0400
commit657348a056eea4a27be20cf8e22c98a252597447 (patch)
treea2b429aec0813fffb72200383cf421584efb24fe /Documentation/ABI
parentc1fb5c475126b77b47ba762f5b48535cd0420d24 (diff)
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: Alex Chiang <achiang@hp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'Documentation/ABI')
-rw-r--r--Documentation/ABI/testing/sysfs-devices-system-cpu15
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 968d8bad3835..a703b9e9aeb9 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
62 See Documentation/cputopology.txt for more information. 62 See Documentation/cputopology.txt for more information.
63 63
64 64
65
66What: /sys/devices/system/cpu/cpu#/node
67Date: October 2009
68Contact: Linux memory management mailing list <linux-mm@kvack.org>
69Description: Discover NUMA node a CPU belongs to
70
71 When CONFIG_NUMA is enabled, a symbolic link that points
72 to the corresponding NUMA node directory.
73
74 For example, the following symlink is created for cpu42
75 in NUMA node 2:
76
77 /sys/devices/system/cpu/cpu42/node2 -> ../../node/node2
78
79
65What: /sys/devices/system/cpu/cpu#/topology/core_id 80What: /sys/devices/system/cpu/cpu#/topology/core_id
66 /sys/devices/system/cpu/cpu#/topology/core_siblings 81 /sys/devices/system/cpu/cpu#/topology/core_siblings
67 /sys/devices/system/cpu/cpu#/topology/core_siblings_list 82 /sys/devices/system/cpu/cpu#/topology/core_siblings_list