Pull percpu fixes from Dennis Zhou:
 "This contains a cleanup to lib/percpu-refcount.c and an update to the
  MAINTAINERS file to more formally take over support for lib/percpu*"

* 'for-5.13-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu:
  MAINTAINERS: Add lib/percpu* as part of percpu entry
  percpu_ref: Don't opencode percpu_ref_is_dying