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* cpusets: document adding/removing cpus to cpuset elaboratelyNikanth Karthikesan2009-06-301-0/+12
| | | | | | | | | | | | | By writing a tasks's pid to the file, a process adds that task to that cgroup/cpuset. But to add a cpu/mem to a cpuset, the new list of cpus should be written to the cpuset.mems file which would replace the old list of cpus. Make this clearer in the documentation. Signed-off-by: Nikanth Karthikesan <knikanth@suse.de> Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Paul Menage <menage@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* trivial: cgroups: documentation typo and spelling correctionsChris Samuel2009-03-301-6/+6
| | | | | | | | | Minor typo and spelling corrections fixed whilst reading to learn about cgroups capabilities. Signed-off-by: Chris Samuel <chris@csamuel.org> Acked-by: Paul Menage <menage@google.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* cpuset: various documentation fixes and updatesLi Zefan2009-02-201-28/+37
| | | | | | | | | | | | | | | | | | | | | I noticed the old commit 8f5aa26c75b7722e80c0c5c5bb833d41865d7019 ("cpusets: update_cpumask documentation fix") is not a complete fix, resulting in inconsistent paragraphs. This patch fixes it and does other fixes and updates: - s/migrate_all_tasks()/migrate_live_tasks()/ - describe more cpuset control files - s/cpumask_t/struct cpumask/ - document cpu hotplug and change of 'sched_relax_domain_level' may cause domain rebuild - document various ways to query and modify cpusets - the equivalent of "mount -t cpuset" is "mount -t cgroup -o cpuset,noprefix" Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Paul Menage <menage@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* cgroups: consolidate cgroup documentsLi Zefan2009-01-151-0/+808
Move Documentation/cpusets.txt and Documentation/controllers/* to Documentation/cgroups/ Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com> Acked-by: Paul Menage <menage@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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