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Date: Mon, 27 Feb 2017 15:21:29 -0500
From: Tejun Heo <tj@...nel.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Li Zefan <lizefan@...wei.com>,
Johannes Weiner <hannes@...xchg.org>, cgroups@...r.kernel.org,
linux-kernel@...r.kernel.org, Parav Pandit <parav@...lanox.com>
Subject: [GIT PULL] cgroup changes for v4.11-rc1
Hello, Linus.
cgroup changes for v4.11. Several noteworthy changes.
* Parav's rdma controller is finally merged. It is very straight
forward and can limit the abosolute numbers of common rdma
constructs used by different cgroups.
* kernel/cgroup.c got too chubby and disorganized. Created
kernel/cgroup/ subdirectory and moved all cgroup related files under
kernel/ there and reorganized the core code. This hurts for
backporting patches but was long overdue.
* cgroup v2 process listing reimplemented so that it no longer depends
on allocating a buffer large enough to cache the entire result to
sort and uniq the output. v2 has always mangled the sort order to
ensure that users don't depend on the sorted output, so this
shouldn't surprise anybody. This makes the pid listing functions
use the same iterators that are used internally, which have to have
the same iterating capabilities anyway.
* perf cgroup filtering now works automatically on cgroup v2. This
patch was posted a long time ago but somehow fell through the
cracks.
* Misc fixes asnd documentation updates.
Thanks.
The following changes since commit 07cd12945551b63ecb1a349d50a6d69d1d6feb4a:
cgroup: don't online subsystems before cgroup_name/path() are operational (2017-01-26 16:47:28 -0500)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git for-4.11
for you to fetch changes up to f83f3c515654474e19c7fc86e3b06564bb5cb4d4:
kernfs: fix locking around kernfs_ops->release() callback (2017-02-21 15:49:25 -0500)
----------------------------------------------------------------
Geliang Tang (1):
cgroup: fix a comment typo
Hans Ragas (1):
cgroup: Add missing cgroup-v2 PID controller documentation.
Parav Pandit (4):
rdmacg: Added rdma cgroup controller
IB/core: added support to use rdma cgroup controller
rdmacg: Added documentation for rdmacg
rdmacg: Fixed uninitialized current resource usage
Tejun Heo (23):
kernfs: make kernfs_open_file->mmapped a bitfield
kernfs: add kernfs_ops->open/release() callbacks
cgroup add cftype->open/release() callbacks
cgroup: reimplement reading "cgroup.procs" on cgroup v2
cgroup: remove cgroup_pid_fry() and friends
cgroup: reorder css_set fields
cgroup: move cgroup files under kernel/cgroup/
cgroup: move cgroup v1 specific code to kernel/cgroup/cgroup-v1.c
cgroup: refactor mount path and clearly distinguish v1 and v2 paths
cgroup: separate out cgroup1_kf_syscall_ops
cgroup: move v1 mount functions to kernel/cgroup/cgroup-v1.c
cgroup: rename functions for consistency
cgroup: move namespace code to kernel/cgroup/namespace.c
cgroup: fix RCU related sparse warnings
cgroup: cosmetic update to cgroup_taskset_add()
cgroup: track migration context in cgroup_mgctx
cgroup: call subsys->*attach() only for subsystems which are actually affected by migration
Merge branch 'for-4.10-fixes' into for-4.11
cgroup: misc cleanups
cgroup, perf_event: make perf_event controller work on cgroup2 hierarchy
cgroup: drop the matching uid requirement on migration for cgroup v2
Merge branch 'cgroup/for-4.11-rdmacg' into cgroup/for-4.11
kernfs: fix locking around kernfs_ops->release() callback
Documentation/cgroup-v1/rdma.txt | 109 ++
Documentation/cgroup-v2.txt | 103 +-
drivers/infiniband/core/Makefile | 1 +
drivers/infiniband/core/cgroup.c | 62 +
drivers/infiniband/core/core_priv.h | 30 +
drivers/infiniband/core/device.c | 10 +
drivers/infiniband/core/uverbs_cmd.c | 102 +-
drivers/infiniband/core/uverbs_main.c | 20 +
fs/kernfs/dir.c | 2 +-
fs/kernfs/file.c | 62 +-
fs/kernfs/kernfs-internal.h | 2 +-
include/linux/cgroup-defs.h | 57 +-
include/linux/cgroup.h | 2 +-
include/linux/cgroup_rdma.h | 53 +
include/linux/cgroup_subsys.h | 4 +
include/linux/kernfs.h | 12 +-
include/rdma/ib_verbs.h | 14 +
init/Kconfig | 10 +
kernel/Makefile | 5 +-
kernel/cgroup/Makefile | 6 +
kernel/cgroup/cgroup-internal.h | 214 +++
kernel/cgroup/cgroup-v1.c | 1395 ++++++++++++++++
kernel/{ => cgroup}/cgroup.c | 2165 ++++---------------------
kernel/{ => cgroup}/cpuset.c | 0
kernel/{cgroup_freezer.c => cgroup/freezer.c} | 0
kernel/cgroup/namespace.c | 155 ++
kernel/{cgroup_pids.c => cgroup/pids.c} | 0
kernel/cgroup/rdma.c | 619 +++++++
kernel/events/core.c | 6 +
tools/perf/util/cgroup.c | 26 +-
30 files changed, 3306 insertions(+), 1940 deletions(-)
create mode 100644 Documentation/cgroup-v1/rdma.txt
create mode 100644 drivers/infiniband/core/cgroup.c
create mode 100644 include/linux/cgroup_rdma.h
create mode 100644 kernel/cgroup/Makefile
create mode 100644 kernel/cgroup/cgroup-internal.h
create mode 100644 kernel/cgroup/cgroup-v1.c
rename kernel/{ => cgroup}/cgroup.c (72%)
rename kernel/{ => cgroup}/cpuset.c (100%)
rename kernel/{cgroup_freezer.c => cgroup/freezer.c} (100%)
create mode 100644 kernel/cgroup/namespace.c
rename kernel/{cgroup_pids.c => cgroup/pids.c} (100%)
create mode 100644 kernel/cgroup/rdma.c
--
tejun
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