When using fake NUMA setup, the number of memory nodes can greatly exceed
the number of CPUs.  So the current limit in cpuset_common_file_write() is
insufficient.
Signed-off-by: NPaul Menage <menage@google.com>
Acked-by: NPaul Jackson <pj@sgi.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>