Fix incorrect alignment in the vsyscall variables that caused
vsyscalls to be completely broken.

This change should decrease system time during TPC-* tests
considerably.

Clean up the vmlinux.lds to make it easier readable

Do some cleanups in the vsyscall code. 

Align cacheline_aligned correctly on 128 byte cacheline systems.
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>