| 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 |