Introduce SD_LOAD_BALANCE flag for domains where we don't want to do load
balancing (so we don't have to set up meaningless spans and groups).  Use this
for the initial dummy domain, and just leave isolated CPUs on the dummy
domain.
Signed-off-by: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>