From: Manfred Spraul <manfred@colorfullife.com>

Step three for reducing cacheline trashing within rcupdate.c:

Cleanup and code move from <linux/rcupdate.h> to kernel/rcupdate.c: Remove
internal details from the header file.
Signed-off-by: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>