Chandra Seetharaman reported SLAB crashes caused by the slab.c lock
annotation patch.  There is only one chunk of that patch that has a
material effect on the slab logic - this patch undoes that chunk.

This was confirmed to fix the slab problem by Chandra.
Signed-off-by: NIngo Molnar <mingo@elte.hu>
Tested-by: NChandra Seetharaman <sekharan@us.ibm.com>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>