Pull SLAB changes from Pekka Enberg:
 "This contains preparational work from Christoph Lameter and Glauber
  Costa for SLAB memcg and cleanups and improvements from Ezequiel
  Garcia and Joonsoo Kim.

  Please note that the SLOB cleanup commit from Arnd Bergmann already
  appears in your tree but I had also merged it myself which is why it
  shows up in the shortlog."

* 'slab/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux:
  mm/sl[aou]b: Common alignment code
  slab: Use the new create_boot_cache function to simplify bootstrap
  slub: Use statically allocated kmem_cache boot structure for bootstrap
  mm, sl[au]b: create common functions for boot slab creation
  slab: Simplify bootstrap
  slub: Use correct cpu_slab on dead cpu
  mm: fix slab.c kernel-doc warnings
  mm/slob: use min_t() to compare ARCH_SLAB_MINALIGN
  slab: Ignore internal flags in cache creation
  mm/slob: Use free_page instead of put_page for page-size kmalloc allocations
  mm/sl[aou]b: Move common kmem_cache_size() to slab.h
  mm/slob: Use object_size field in kmem_cache_size()
  mm/slob: Drop usage of page->private for storing page-sized allocations
  slub: Commonize slab_cache field in struct page
  sl[au]b: Process slabinfo_show in common code
  mm/sl[au]b: Move print_slabinfo_header to slab_common.c
  mm/sl[au]b: Move slabinfo processing to slab_common.c
  slub: remove one code path and reduce lock contention in __slab_free()