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What: /sys/devices/system/node/possible
Date: October 2002
Contact: Linux Memory Management list <linux-mm@kvack.org>
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@kvack.org>
Description:
Nodes that are online.
What: /sys/devices/system/node/has_normal_memory
Date: October 2002
Contact: Linux Memory Management list <linux-mm@kvack.org>
Description:
Nodes that have regular memory.
What: /sys/devices/system/node/has_cpu
Date: October 2002
Contact: Linux Memory Management list <linux-mm@kvack.org>
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@kvack.org>
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@kvack.org>
Description:
When CONFIG_NUMA is enabled, this is a directory containing
information on node X such as what CPUs are local to the
node. Each file is detailed next.
What: /sys/devices/system/node/nodeX/cpumap
Date: October 2002
Contact: Linux Memory Management list <linux-mm@kvack.org>
Description:
The node's cpumap.
What: /sys/devices/system/node/nodeX/cpulist
Date: October 2002
Contact: Linux Memory Management list <linux-mm@kvack.org>
Description:
The CPUs associated to the node.
What: /sys/devices/system/node/nodeX/meminfo
Date: October 2002
Contact: Linux Memory Management list <linux-mm@kvack.org>
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@kvack.org>
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@kvack.org>
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@kvack.org>
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@csn.ul.ie>
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@hp.com>
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@hp.com>
Description:
The node's huge page size control/query attributes.
See Documentation/vm/hugetlbpage.txt
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