What: /sys/devices/system/node/possible Date: October 2002 Contact: Linux Memory Management list 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 Description: Nodes that are online. What: /sys/devices/system/node/has_normal_memory Date: October 2002 Contact: Linux Memory Management list Description: Nodes that have regular memory. What: /sys/devices/system/node/has_cpu Date: October 2002 Contact: Linux Memory Management list Description: Nodes that have one or more CPUs. What: /sys/devices/system/node/has_high_memory Date: October 2002 Contact: Linux Memory Management list 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 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 Description: The node's cpumap. What: /sys/devices/system/node/nodeX/cpulist Date: October 2002 Contact: Linux Memory Management list Description: The CPUs associated to the node. What: /sys/devices/system/node/nodeX/meminfo Date: October 2002 Contact: Linux Memory Management list 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 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 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 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 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 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-/ Date: December 2009 Contact: Lee Schermerhorn Description: The node's huge page size control/query attributes. See Documentation/vm/hugetlbpage.txt