mm: add numa node symlink for memory section in sysfs
[linux-2.6.git] / Documentation / ABI / testing / sysfs-devices-memory
index 9fe91c0..bf1627b 100644 (file)
@@ -60,6 +60,19 @@ Description:
 Users:         hotplug memory remove tools
                https://w3.opensource.ibm.com/projects/powerpc-utils/
 
+
+What:          /sys/devices/system/memoryX/nodeY
+Date:          October 2009
+Contact:       Linux Memory Management list <linux-mm@kvack.org>
+Description:
+               When CONFIG_NUMA is enabled, a symbolic link that
+               points to the corresponding NUMA node directory.
+
+               For example, the following symbolic link is created for
+               memory section 9 on node0:
+               /sys/devices/system/memory/memory9/node0 -> ../../node/node0
+
+
 What:          /sys/devices/system/node/nodeX/memoryY
 Date:          September 2008
 Contact:       Gary Hade <garyhade@us.ibm.com>
@@ -70,4 +83,3 @@ Description:
                memory section directory.  For example, the following symbolic
                link is created for memory section 9 on node0.
                /sys/devices/system/node/node0/memory9 -> ../../memory/memory9
-