The patch titled
Subject: Documentation: ABI: /sys/devices/system/node/
has been added to the -mm tree. Its filename is
documentation-abi-sys-devices-system-node.patch
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From: Davidlohr Bueso <davidlohr.bueso@xxxxxx>
Subject: Documentation: ABI: /sys/devices/system/node/
Describe NUMA node sysfs files/attributes.
Note that for the specific dates and contacts I couldn't find,
I left it as default for Oct 2002 and linux-mm.
Signed-off-by: Davidlohr Bueso <davidlohr.bueso@xxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/ABI/stable/sysfs-devices-node | 96 +++++++++++++++++-
1 file changed, 95 insertions(+), 1 deletion(-)
diff -puN Documentation/ABI/stable/sysfs-devices-node~documentation-abi-sys-devices-system-node Documentation/ABI/stable/sysfs-devices-node
--- a/Documentation/ABI/stable/sysfs-devices-node~documentation-abi-sys-devices-system-node
+++ a/Documentation/ABI/stable/sysfs-devices-node
@@ -1,7 +1,101 @@
+What: /sys/devices/system/node/possible
+Date: October 2002
+Contact: Linux Memory Management list <linux-mm@xxxxxxxxx>
+Description:
+ Nodes that could be possibly become online at some point.
+
+What: /sys/devices/system/node/online
+Date: October 2002
+Contact: Linux Memory Management list <linux-mm@xxxxxxxxx>
+Description:
+ Nodes that are online.
+
+What: /sys/devices/system/node/has_normal_memory
+Date: October 2002
+Contact: Linux Memory Management list <linux-mm@xxxxxxxxx>
+Description:
+ Nodes that have regular memory.
+
+What: /sys/devices/system/node/has_cpu
+Date: October 2002
+Contact: Linux Memory Management list <linux-mm@xxxxxxxxx>
+Description:
+ Nodes that have one or more CPUs.
+
+What: /sys/devices/system/node/has_high_memory
+Date: October 2002
+Contact: Linux Memory Management list <linux-mm@xxxxxxxxx>
+Description:
+ Nodes that have regular or high memory.
+ Depends on CONFIG_HIGHMEM.
+
What: /sys/devices/system/node/nodeX
Date: October 2002
Contact: Linux Memory Management list <linux-mm@xxxxxxxxx>
Description:
When CONFIG_NUMA is enabled, this is a directory containing
information on node X such as what CPUs are local to the
- node.
+ node. Each file is detailed next.
+
+What: /sys/devices/system/node/nodeX/cpumap
+Date: October 2002
+Contact: Linux Memory Management list <linux-mm@xxxxxxxxx>
+Description:
+ The node's cpumap.
+
+What: /sys/devices/system/node/nodeX/cpulist
+Date: October 2002
+Contact: Linux Memory Management list <linux-mm@xxxxxxxxx>
+Description:
+ The CPUs associated to the node.
+
+What: /sys/devices/system/node/nodeX/meminfo
+Date: October 2002
+Contact: Linux Memory Management list <linux-mm@xxxxxxxxx>
+Description:
+ Provides information about the node's distribution and memory
+ utilization. Similar to /proc/meminfo, see Documentation/filesystems/proc.txt
+
+What: /sys/devices/system/node/nodeX/numastat
+Date: October 2002
+Contact: Linux Memory Management list <linux-mm@xxxxxxxxx>
+Description:
+ The node's hit/miss statistics, in units of pages.
+ See Documentation/numastat.txt
+
+What: /sys/devices/system/node/nodeX/distance
+Date: October 2002
+Contact: Linux Memory Management list <linux-mm@xxxxxxxxx>
+Description:
+ Distance between the node and all the other nodes
+ in the system.
+
+What: /sys/devices/system/node/nodeX/vmstat
+Date: October 2002
+Contact: Linux Memory Management list <linux-mm@xxxxxxxxx>
+Description:
+ The node's zoned virtual memory statistics.
+ This is a superset of numastat.
+
+What: /sys/devices/system/node/nodeX/compact
+Date: February 2010
+Contact: Mel Gorman <mel@xxxxxxxxx>
+Description:
+ When this file is written to, all memory within that node
+ will be compacted. When it completes, memory will be freed
+ into blocks which have as many contiguous pages as possible
+
+What: /sys/devices/system/node/nodeX/scan_unevictable_pages
+Date: October 2008
+Contact: Lee Schermerhorn <lee.schermerhorn@xxxxxx>
+Description:
+ When set, it triggers scanning the node's unevictable lists
+ and move any pages that have become evictable onto the respective
+ zone's inactive list. See mm/vmscan.c
+
+What: /sys/devices/system/node/nodeX/hugepages/hugepages-<size>/
+Date: December 2009
+Contact: Lee Schermerhorn <lee.schermerhorn@xxxxxx>
+Description:
+ The node's huge page size control/query attributes.
+ See Documentation/vm/hugetlbpage.txt
\ No newline at end of file
_
Patches currently in -mm which might be from davidlohr.bueso@xxxxxx are
documentation-abi-sys-devices-system-node.patch
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