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Diffstat (limited to 'Documentation/cpusets.txt')
| -rw-r--r-- | Documentation/cpusets.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/cpusets.txt b/Documentation/cpusets.txt index 159e2a0c3e8..76b44290c15 100644 --- a/Documentation/cpusets.txt +++ b/Documentation/cpusets.txt @@ -217,6 +217,12 @@ exclusive cpuset. Also, the use of a Linux virtual file system (vfs) to represent the cpuset hierarchy provides for a familiar permission and name space for cpusets, with a minimum of additional kernel code. +The cpus file in the root (top_cpuset) cpuset is read-only. +It automatically tracks the value of cpu_online_map, using a CPU +hotplug notifier. If and when memory nodes can be hotplugged, +we expect to make the mems file in the root cpuset read-only +as well, and have it track the value of node_online_map. + 1.4 What are exclusive cpusets ? -------------------------------- |