| 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/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/admin-guide/mm/hugetlbpage.rst |