1What:		/sys/devices/system/node/possible
2Date:		October 2002
3Contact:	Linux Memory Management list <linux-mm@kvack.org>
4Description:
5		Nodes that could be possibly become online at some point.
6
7What:		/sys/devices/system/node/online
8Date:		October 2002
9Contact:	Linux Memory Management list <linux-mm@kvack.org>
10Description:
11		Nodes that are online.
12
13What:		/sys/devices/system/node/has_normal_memory
14Date:		October 2002
15Contact:	Linux Memory Management list <linux-mm@kvack.org>
16Description:
17		Nodes that have regular memory.
18
19What:		/sys/devices/system/node/has_cpu
20Date:		October 2002
21Contact:	Linux Memory Management list <linux-mm@kvack.org>
22Description:
23		Nodes that have one or more CPUs.
24
25What:		/sys/devices/system/node/has_high_memory
26Date:		October 2002
27Contact:	Linux Memory Management list <linux-mm@kvack.org>
28Description:
29		Nodes that have regular or high memory.
30		Depends on CONFIG_HIGHMEM.
31
32What:		/sys/devices/system/node/nodeX
33Date:		October 2002
34Contact:	Linux Memory Management list <linux-mm@kvack.org>
35Description:
36		When CONFIG_NUMA is enabled, this is a directory containing
37		information on node X such as what CPUs are local to the
38		node. Each file is detailed next.
39
40What:		/sys/devices/system/node/nodeX/cpumap
41Date:		October 2002
42Contact:	Linux Memory Management list <linux-mm@kvack.org>
43Description:
44		The node's cpumap.
45
46What:		/sys/devices/system/node/nodeX/cpulist
47Date:		October 2002
48Contact:	Linux Memory Management list <linux-mm@kvack.org>
49Description:
50		The CPUs associated to the node.
51
52What:		/sys/devices/system/node/nodeX/meminfo
53Date:		October 2002
54Contact:	Linux Memory Management list <linux-mm@kvack.org>
55Description:
56		Provides information about the node's distribution and memory
57		utilization. Similar to /proc/meminfo, see Documentation/filesystems/proc.txt
58
59What:		/sys/devices/system/node/nodeX/numastat
60Date:		October 2002
61Contact:	Linux Memory Management list <linux-mm@kvack.org>
62Description:
63		The node's hit/miss statistics, in units of pages.
64		See Documentation/numastat.txt
65
66What:		/sys/devices/system/node/nodeX/distance
67Date:		October 2002
68Contact:	Linux Memory Management list <linux-mm@kvack.org>
69Description:
70		Distance between the node and all the other nodes
71		in the system.
72
73What:		/sys/devices/system/node/nodeX/vmstat
74Date:		October 2002
75Contact:	Linux Memory Management list <linux-mm@kvack.org>
76Description:
77		The node's zoned virtual memory statistics.
78		This is a superset of numastat.
79
80What:		/sys/devices/system/node/nodeX/compact
81Date:		February 2010
82Contact:	Mel Gorman <mel@csn.ul.ie>
83Description:
84		When this file is written to, all memory within that node
85		will be compacted. When it completes, memory will be freed
86		into blocks which have as many contiguous pages as possible
87
88What:		/sys/devices/system/node/nodeX/hugepages/hugepages-<size>/
89Date:		December 2009
90Contact:	Lee Schermerhorn <lee.schermerhorn@hp.com>
91Description:
92		The node's huge page size control/query attributes.
93		See Documentation/admin-guide/mm/hugetlbpage.rst