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| author |   Waiman Long <longman@redhat.com> | 2023-06-27 10:35:02 -0400 |
|---|---|---|
| committer |   Tejun Heo <tj@kernel.org> | 2023-07-10 11:01:03 -1000 |
| commit | 99fe36ba6fc16aa0962bc1f41ebcdec696203889 (patch) | |
| tree | 1812ad65554d3291c9399c87c0674cb009e83c70 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | cgroup/cpuset: Extract out CS_CPU_EXCLUSIVE & CS_SCHED_LOAD_BALANCE handling (diff) | |
| download | wireguard-linux-99fe36ba6fc16aa0962bc1f41ebcdec696203889.tar.xz wireguard-linux-99fe36ba6fc16aa0962bc1f41ebcdec696203889.zip | |
cgroup/cpuset: Improve temporary cpumasks handling
The limitation that update_parent_subparts_cpumask() can only use
addmask & delmask in the given tmp cpumasks is fragile and may lead to
unexpected error.
Fix this problem by allocating/freeing a struct tmpmasks in
update_cpumask() to avoid reusing the cpumasks in trial_cs.
With this change, we can move the update_tasks_cpumask() for the
parent and update_sibling_cpumasks() for the sibling to inside
update_parent_subparts_cpumask().
Signed-off-by: Waiman Long <longman@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to '')
0 files changed, 0 insertions, 0 deletions