Pull cgroup updates from Tejun Heo:
 "A quiet cycle. One trivial doc update patch. Two patches to drop the
  now defunct memory_spread_slab feature from cgroup1 cpuset"

* tag 'cgroup-for-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  cgroup/cpuset: Mark memory_spread_slab as obsolete
  cgroup/cpuset: Remove cpuset_do_slab_mem_spread()
  docs: cgroup-v1: add missing code-block tags