v2:
- Update patch 1 as suggested by Ridong Chen and add new test cases.
- Minor update to patch 2 code and comment log.
Patch 1 updates compute_effective_cpumask() and adds new
compute_effective_nodemask() helper to make sure that effective_cpus
and effective_mems will inherit parent's versions for v2 if
cpuset.cpus/cpuset.mems is empty.
Patch 2 makes cpuset_update_tasks_nodemask() to perform memory rebind
and migration only for thread group leader like cpuset_attach().
Waiman Long (2):
cgroup/cpuset: Avoid unnecessary cpus & mems update in
cpuset_hotplug_update_tasks()
cgroup/cpuset: Rebind/migrate mm only for threadgroup leader in
cpuset_update_tasks_nodemask()
Documentation/admin-guide/cgroup-v2.rst | 7 +++
kernel/cgroup/cpuset.c | 49 ++++++++++++-------
.../selftests/cgroup/test_cpuset_prs.sh | 11 ++++-
3 files changed, 46 insertions(+), 21 deletions(-)
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2.54.0
