[PATCH] lightweight robust futexes updates

- fix: initialize the robust list(s) to NULL in copy_process.

- doc update

- cleanup: rename _inuser to _inatomic

- __user cleanups and other small cleanups

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Arjan van de Ven <arjan@infradead.org>
Cc: Ulrich Drepper <drepper@redhat.com>
Cc: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/Documentation/robust-futexes.txt b/Documentation/robust-futexes.txt
index 7aecc67..df82d75 100644
--- a/Documentation/robust-futexes.txt
+++ b/Documentation/robust-futexes.txt
@@ -213,6 +213,6 @@
 All other architectures should build just fine too - but they wont have
 the new syscalls yet.
 
-Architectures need to implement the new futex_atomic_cmpxchg_inuser()
+Architectures need to implement the new futex_atomic_cmpxchg_inatomic()
 inline function before writing up the syscalls (that function returns
 -ENOSYS right now).