[PATCH v2 0/3] samples: introduce cgroup events listeners

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To begin with, this patch series relocates the cgroup example code to
the samples/cgroup directory, which is the appropriate location for such
code snippets.

Furthermore, a new cgroup v2 events listener is introduced. This
listener is a simple yet effective tool for monitoring memory events and
managing counter changes during runtime.

Additionally, as per Andrew Morton's suggestion, a helpful reminder
comment is included in the memcontrol implementation. This comment
serves to ensure that the samples code is updated whenever new events
are added.

Changes v2 since v1 at [1]:
    - create new samples subdir - cgroup
    - move cgroup_event_listener for cgroup v1 to samples/cgroup
    - add a reminder comment to memcontrol implementation

Links:
    [1] - https://lore.kernel.org/all/20231013184107.28734-1-ddrokosov@xxxxxxxxxxxxxxxxx/

Dmitry Rokosov (3):
  samples: introduce new samples subdir for cgroup
  samples/cgroup: introduce cgroup v2 memory.events listener
  mm: memcg: add reminder comment for the memcg v2 events

 MAINTAINERS                                   |   1 +
 mm/memcontrol.c                               |   4 +
 samples/Kconfig                               |   6 +
 samples/Makefile                              |   1 +
 samples/cgroup/Makefile                       |   5 +
 .../cgroup/cgroup_event_listener.c            |   0
 samples/cgroup/cgroup_v2_event_listener.c     | 330 ++++++++++++++++++
 tools/cgroup/Makefile                         |  11 -
 8 files changed, 347 insertions(+), 11 deletions(-)
 create mode 100644 samples/cgroup/Makefile
 rename {tools => samples}/cgroup/cgroup_event_listener.c (100%)
 create mode 100644 samples/cgroup/cgroup_v2_event_listener.c
 delete mode 100644 tools/cgroup/Makefile

-- 
2.36.0





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