Merge branch 'core-debugobjects-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull debugobjects updates from Ingo Molnar:
 "A number of scalability improvements by Waimang Long"

* 'core-debugobjects-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  debugobjects: Improve variable naming
  debugobjects: Reduce contention on the global pool_lock
  debugobjects: Scale thresholds with # of CPUs
  debugobjects: Track number of kmem_cache_alloc/kmem_cache_free done