Merge tag 'threads-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner...

Pull thread updates from Christian Brauner:
 "The main change for this cycle was the extension for clone3() to
  support spawning processes directly into cgroups via CLONE_INTO_CGROUP
  (commit ef2c41cf38a7: "clone3: allow spawning processes
  into cgroups").

  But since I had to touch kernel/cgroup/ quite a bit I had Tejun route
  that through his tree this time around to make it easier for him to
  handle other changes.

  So here is just the unexciting leftovers: a regression test for the
  ENOMEM regression we fixed in commit b26ebfe12f34 ("pid: Fix error
  return value in some cases") verifying that we report ENOMEM when
  trying to create a new process in a pid namespace whose init
  process/subreaper has already exited"

* tag 'threads-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
  selftests: add pid namespace ENOMEM regression test

diff --cc MAINTAINERS
Simple merge

diff --cc tools/testing/selftests/Makefile
index 0635684cbf074b720ed9aea0000113431a039f1a,5fc587b7136f5bd0216e516fbf1ca87e85abb730..2ff68702fd412fe9ae7c4e26a8aa4b770bdfe3f5
--- 1/tools/testing/selftests/Makefile
--- 2/tools/testing/selftests/Makefile
+++ b/tools/testing/selftests/Makefile
@@@ -33,11 -33,12 +33,12 @@@ TARGETS += memory-hotplu
  TARGETS += mount
  TARGETS += mqueue
  TARGETS += net
 +TARGETS += net/forwarding
  TARGETS += net/mptcp
  TARGETS += netfilter
 -TARGETS += networking/timestamping
  TARGETS += nsfs
  TARGETS += pidfd
+ TARGETS += pid_namespace
  TARGETS += powerpc
  TARGETS += proc
  TARGETS += pstore