| From: |
| Aleksa Sarai <cyphar@cyphar.com> |
| To: |
| tj@kernel.org, lizefan@huawei.com, mingo@redhat.com, peterz@infradead.org |
| Subject: |
| [PATCH v13 0/5] cgroup: add PIDs subsystem |
| Date: |
| Sat, 6 Jun 2015 09:42:11 +1000 |
| Message-ID: |
| <1433547736-11707-1-git-send-email-cyphar@cyphar.com> |
| Cc: |
| richard@nod.at, fweisbec@gmail.com, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, Aleksa Sarai <cyphar@cyphar.com> |
| Archive‑link: | |
Article |
This is a small update to v12 of the pids patchset[1] (most of which was
merged into Tejun's tree, but was later reverted due to some bogus GCC
warnings). The main changes are:
* Fix up include/linux/cgroup.h changes to take into account Tejun's
refactoring of cgroup.h into cgroup-defs.h.
* Move ->can_attach() and ->cancel_attach() charge/revert into
->attach(), since we can't fail and it's simpler to just charge there.
* Remove tset_get_css(), because the premise of its existence is flawed
and switch ->attach() code to just task_get_css() itself.
* Remove a patch that was rendered uneccesary by the cgroup.h refactor.
* Fix up the for_each_subsys_which patchset so that it doesn't trigger
a GCC warning when CGROUP_SUBSYS_COUNT = 0, but cgroups are enabled.
The warning is bogus anyway, since the whole block becomes a noop in
that case.
[1]: https://lkml.org/lkml/2015/5/18/439
Aleksa Sarai (4):
cgroup: use bitmask to filter for_each_subsys
cgroup: replace explicit ss_mask checking with for_each_subsys_which
cgroup: allow a cgroup subsystem to reject a fork
cgroup: implement the PIDs subsystem
Tejun Heo (1):
cgroup, block: implement task_get_css()
CREDITS | 5 +
include/linux/cgroup-defs.h | 12 +-
include/linux/cgroup.h | 41 ++++-
include/linux/cgroup_subsys.h | 28 ++++
init/Kconfig | 16 ++
kernel/Makefile | 1 +
kernel/cgroup.c | 171 +++++++++++++------
kernel/cgroup_freezer.c | 2 +-
kernel/cgroup_pids.c | 377 ++++++++++++++++++++++++++++++++++++++++++
kernel/fork.c | 17 +-
kernel/sched/core.c | 2 +-
11 files changed, 616 insertions(+), 56 deletions(-)
create mode 100644 kernel/cgroup_pids.c
--
2.4.2
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