tree fbe569493c0c17936498a6b5660db889b7ee95fd
parent c8d9c90c7ece28259436476a016cdecd25dccf2c
author Paul Jackson <pj@sgi.com> 1202372087 -0800
committer Linus Torvalds <torvalds@woody.linux-foundation.org> 1202402542 -0800

hotplug cpu move tasks in empty cpusets - refinements

- Narrow the scope of callback_mutex in scan_for_empty_cpusets().

- Avoid rewriting the cpus, mems of cpusets except when it is likely that
  we'll be changing them.

- Have remove_tasks_in_empty_cpuset() also check for empty mems.

Signed-off-by: Paul Jackson <pj@sgi.com>
Acked-by: Cliff Wickman <cpw@sgi.com>
Cc: David Rientjes <rientjes@google.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>