[PATCH v10 0/4] cgroups: add pids subsystem

[Aleksa Sarai]

This is an updated version of v9 of the pids patchset[1], with a few
small fixes:

* Fixed an off-by-one error in the SUBSYS_TAG macro that affects
  intermediate __unused_* values (causing issues when merging tags into
  the subsys enum)

* Updated the SUBSYS_TAG macro to be simpler (removed UNUSED_IDENT()
  magic) and not use __COUNTER__.

* Removed the SUBSYS_TAG_COUNT macro and replaced it with a hard-coded
  CGROUP_PREFORK_COUNT macro.

[1]: https://lkml.org/lkml/2015/4/11/237

Aleksa Sarai (4):
  cgroups: use bitmask to filter for_each_subsys
  cgroups: replace explicit ss_mask checking with for_each_subsys_which
  cgroups: allow a cgroup subsystem to reject a fork
  cgroups: implement the PIDs subsystem

 include/linux/cgroup.h        |  47 ++++--
 include/linux/cgroup_subsys.h |  32 ++++
 init/Kconfig                  |  16 ++
 kernel/Makefile               |   1 +
 kernel/cgroup.c               | 183 +++++++++++++++------
 kernel/cgroup_freezer.c       |   2 +-
 kernel/cgroup_pids.c          | 368 ++++++++++++++++++++++++++++++++++++++++++
 kernel/fork.c                 |  19 ++-
 kernel/sched/core.c           |   2 +-
 9 files changed, 606 insertions(+), 64 deletions(-)
 create mode 100644 kernel/cgroup_pids.c

-- 
2.3.5

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