[Devel] [PATCH VZ10 0/6] cgroup-v2/freezer: make container cgroups freezable

[Pavel Tikhomirov]

[1-3] Port unrelated mainstream fixes for racy freezer.
[4] Revert our hack for hang in ptrace, which does not look needed now.
[5] Allow cgroup-v2 freezer to be frozern while ignoring kernel threads.
[6] Support "unfreezable process" warning in cgroup-v2 freezer.

https://virtuozzo.atlassian.net/browse/VSTOR-118578
Signed-off-by: Pavel Tikhomirov <ptikhomirov at virtuozzo.com>

Chen Ridong (3):
  cgroup,freezer: fix incomplete freezing when attaching tasks
  sched,freezer: Remove unnecessary warning in __thaw_task
  Revert "cgroup_freezer: cgroup_freezing: Check if not frozen"

Pavel Tikhomirov (3):
  Revert "kernel/freezer: don't freeze stopped & about to be ptraced
    task"
  cgroup-v2/freezer: allow freezing with kthreads
  cgroup-v2/freezer: Print information about unfreezable process

 include/linux/cgroup-defs.h    |  10 +++
 include/linux/cgroup.h         |   3 +
 kernel/cgroup/cgroup.c         | 120 +++++++++++++++++++++++++++++++++
 kernel/cgroup/freezer.c        |  11 ++-
 kernel/cgroup/legacy_freezer.c |  47 +------------
 kernel/freezer.c               |  18 +----
 6 files changed, 147 insertions(+), 62 deletions(-)

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2.51.1