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Subject[GIT PULL] cgroup changes for v5.14-rc1
Hello, Linus.

* cgroup.kill is added which implements atomic killing of the whole subtree.
Down the line, this should be able to replace the multiple userland
implementations of "keep killing till empty".

* PSI can now be turned off at boot time to avoid overhead for
configurations which don't care about PSI.

Thank you.

The following changes since commit 08b2b6fdf6b26032f025084ce2893924a0cdb4a2:

cgroup: fix spelling mistakes (2021-05-24 12:45:26 -0400)

are available in the Git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git for-5.14

for you to fetch changes up to 3958e2d0c34e18c41b60dc01832bd670a59ef70f:

cgroup: make per-cgroup pressure stall tracking configurable (2021-06-08 14:59:02 -0400)

----------------------------------------------------------------
Christian Brauner (5):
cgroup: introduce cgroup.kill
docs/cgroup: add entry for cgroup.kill
tests/cgroup: use cgroup.kill in cg_killall()
tests/cgroup: move cg_wait_for(), cg_prepare_for_wait()
tests/cgroup: test cgroup.kill

Roman Gushchin (1):
cgroup: inline cgroup_task_freeze()

Suren Baghdasaryan (1):
cgroup: make per-cgroup pressure stall tracking configurable

Tejun Heo (1):
Merge branch 'for-5.13-fixes' into for-5.14

Yang Li (1):
cgroup: Fix kernel-doc

Documentation/admin-guide/cgroup-v2.rst | 15 ++
Documentation/admin-guide/kernel-parameters.txt | 9 +-
include/linux/cgroup-defs.h | 4 +
include/linux/cgroup.h | 25 +-
kernel/cgroup/cgroup.c | 180 ++++++++++++--
kernel/cgroup/rstat.c | 2 +-
kernel/sched/psi.c | 30 +--
tools/testing/selftests/cgroup/.gitignore | 3 +-
tools/testing/selftests/cgroup/Makefile | 2 +
tools/testing/selftests/cgroup/cgroup_util.c | 51 ++++
tools/testing/selftests/cgroup/cgroup_util.h | 2 +
tools/testing/selftests/cgroup/test_freezer.c | 57 -----
tools/testing/selftests/cgroup/test_kill.c | 297 ++++++++++++++++++++++++
13 files changed, 569 insertions(+), 108 deletions(-)
create mode 100644 tools/testing/selftests/cgroup/test_kill.c

--
tejun

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