Merge branch 'for-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu

Merge branch 'for-3.13' of git://git./linux/kernel/git/tj/percpu

Pull percpu changes from Tejun Heo:
 "Two smallish changes for percpu.  Two patches to remove unused
  this_cpu_xor() and one to fix a bug in percpu init failure path so
  that it can reach the proper BUG() instead of oopsing earlier"

* 'for-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu:
  x86: remove this_cpu_xor() implementation
  percpu: remove this_cpu_xor() implementation
  percpu: fix bootmem error handling in pcpu_page_first_chunk()