1. b78c0d4 locking/refcounts: Use atomic_try_cmpxchg() by Peter Zijlstra · 8 years ago
  2. bd17416 locking/refcount: Add refcount_t API kernel-doc comments by David Windsor · 8 years ago
  3. 9dcfe2c locking/refcounts: Change WARN() to WARN_ONCE() by Ingo Molnar · 8 years ago
  4. 29dee3c locking/refcounts: Out-of-line everything by Peter Zijlstra · 8 years ago