From: Anton Blanchard <anton@samba.org>

- Remove iseries specific profiling, there were no complaints when I
  suggested removal on the linuxppc64 list a few weeks ago.

- Also remove another instance of that pesky abs() function.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>