Merge tag 'topic/kcmp-kconfig-2021-02-22' of git://

Pull kcmp kconfig update from Daniel Vetter:
 "Make the kcmp syscall available independently of checkpoint/restore.

  drm userspaces uses this, systemd uses this, so makes sense to pull it
  out from the checkpoint-restore bundle.

  Kees reviewed this from security pov and is happy with the final


* tag 'topic/kcmp-kconfig-2021-02-22' of git://
  kcmp: Support selection of SYS_kcmp without CHECKPOINT_RESTORE