Handling of prof_cpu_mask is grossly inconsistent.  Some arches have it as a
cpumask_t, others unsigned long, and even within arches it's treated
inconsistently.  This makes it cpumask_t across the board, and consolidates
the handling in kernel/profile.c
Signed-off-by: William Irwin <wli@holomorphy.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>