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Based on kernel version 3.16. Page generated on 2014-08-06 21:35 EST.

1	What:		/sys/devices/system/node/possible
2	Date:		October 2002
3	Contact:	Linux Memory Management list <linux-mm@kvack.org>
4	Description:
5			Nodes that could be possibly become online at some point.
6	
7	What:		/sys/devices/system/node/online
8	Date:		October 2002
9	Contact:	Linux Memory Management list <linux-mm@kvack.org>
10	Description:
11			Nodes that are online.
12	
13	What:		/sys/devices/system/node/has_normal_memory
14	Date:		October 2002
15	Contact:	Linux Memory Management list <linux-mm@kvack.org>
16	Description:
17			Nodes that have regular memory.
18	
19	What:		/sys/devices/system/node/has_cpu
20	Date:		October 2002
21	Contact:	Linux Memory Management list <linux-mm@kvack.org>
22	Description:
23			Nodes that have one or more CPUs.
24	
25	What:		/sys/devices/system/node/has_high_memory
26	Date:		October 2002
27	Contact:	Linux Memory Management list <linux-mm@kvack.org>
28	Description:
29			Nodes that have regular or high memory.
30			Depends on CONFIG_HIGHMEM.
31	
32	What:		/sys/devices/system/node/nodeX
33	Date:		October 2002
34	Contact:	Linux Memory Management list <linux-mm@kvack.org>
35	Description:
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	
40	What:		/sys/devices/system/node/nodeX/cpumap
41	Date:		October 2002
42	Contact:	Linux Memory Management list <linux-mm@kvack.org>
43	Description:
44			The node's cpumap.
45	
46	What:		/sys/devices/system/node/nodeX/cpulist
47	Date:		October 2002
48	Contact:	Linux Memory Management list <linux-mm@kvack.org>
49	Description:
50			The CPUs associated to the node.
51	
52	What:		/sys/devices/system/node/nodeX/meminfo
53	Date:		October 2002
54	Contact:	Linux Memory Management list <linux-mm@kvack.org>
55	Description:
56			Provides information about the node's distribution and memory
57			utilization. Similar to /proc/meminfo, see Documentation/filesystems/proc.txt
58	
59	What:		/sys/devices/system/node/nodeX/numastat
60	Date:		October 2002
61	Contact:	Linux Memory Management list <linux-mm@kvack.org>
62	Description:
63			The node's hit/miss statistics, in units of pages.
64			See Documentation/numastat.txt
65	
66	What:		/sys/devices/system/node/nodeX/distance
67	Date:		October 2002
68	Contact:	Linux Memory Management list <linux-mm@kvack.org>
69	Description:
70			Distance between the node and all the other nodes
71			in the system.
72	
73	What:		/sys/devices/system/node/nodeX/vmstat
74	Date:		October 2002
75	Contact:	Linux Memory Management list <linux-mm@kvack.org>
76	Description:
77			The node's zoned virtual memory statistics.
78			This is a superset of numastat.
79	
80	What:		/sys/devices/system/node/nodeX/compact
81	Date:		February 2010
82	Contact:	Mel Gorman <mel@csn.ul.ie>
83	Description:
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	
88	What:		/sys/devices/system/node/nodeX/scan_unevictable_pages
89	Date:		October 2008
90	Contact:	Lee Schermerhorn <lee.schermerhorn@hp.com>
91	Description:
92			When set, it triggers scanning the node's unevictable lists
93			and move any pages that have become evictable onto the respective
94			zone's inactive list. See mm/vmscan.c
95	
96	What:		/sys/devices/system/node/nodeX/hugepages/hugepages-<size>/
97	Date:		December 2009
98	Contact:	Lee Schermerhorn <lee.schermerhorn@hp.com>
99	Description:
100			The node's huge page size control/query attributes.
101			See Documentation/vm/hugetlbpage.tx
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