[v4 0/4] cgroup-aware OOM killer

[Roman Gushchin <guro@fb.com>]

This patchset makes the OOM killer cgroup-aware.

v4:
  - Reworked per-cgroup oom_score_adj into oom_priority
    (based on ideas by David Rientjes)
  - Tasks with oom_score_adj -1000 are never selected if
    oom_kill_all_tasks is not set
  - Memcg victim selection code is reworked, and
    synchronization is based on finding tasks with OOM victim marker,
    rather then on global counter
  - Debug output is dropped
  - Refactored TIF_MEMDIE usage

v3:
  - Merged commits 1-4 into 6
  - Separated oom_score_adj logic and debug output into separate commits
  - Fixed swap accounting

v2:
  - Reworked victim selection based on feedback
    from Michal Hocko, Vladimir Davydov and Johannes Weiner
  - "Kill all tasks" is now an opt-in option, by default
    only one process will be killed
  - Added per-cgroup oom_score_adj
  - Refined oom score calculations, suggested by Vladimir Davydov
  - Converted to a patchset

v1:
  https://lkml.org/lkml/2017/5/18/969


Roman Gushchin (4):
  mm, oom: refactor the TIF_MEMDIE usage
  mm, oom: cgroup-aware OOM killer
  mm, oom: introduce oom_priority for memory cgroups
  mm, oom, docs: describe the cgroup-aware OOM killer

 Documentation/cgroup-v2.txt |  62 +++++++++++
 include/linux/memcontrol.h  |  26 +++++
 include/linux/oom.h         |   3 +
 kernel/exit.c               |   2 +-
 mm/memcontrol.c             | 261 +++++++++++++++++++++++++++++++++++++++++++-
 mm/oom_kill.c               | 202 +++++++++++++++++++++++-----------
 6 files changed, 492 insertions(+), 64 deletions(-)

-- 
2.13.3

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