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| author |   Miaohe Lin <linmiaohe@huawei.com> | 2023-07-04 20:03:52 +0800 |
|---|---|---|
| committer |   Tejun Heo <tj@kernel.org> | 2023-07-10 10:26:06 -1000 |
| commit | 48f074565bb7eaa9ae502b2b2d423b1e50325e1b (patch) | |
| tree | bf90c7270b0a94abf6901bcf354d747b32166018 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | cgroup/cpuset: simplify the percpu kthreads check in update_tasks_cpumask() (diff) | |
| download | wireguard-linux-48f074565bb7eaa9ae502b2b2d423b1e50325e1b.tar.xz wireguard-linux-48f074565bb7eaa9ae502b2b2d423b1e50325e1b.zip | |
cgroup/cpuset: avoid unneeded cpuset_mutex re-lock
cpuset_mutex unlock and lock pair is only needed when transferring tasks
out of empty cpuset. Avoid unneeded cpuset_mutex re-lock when !is_empty
to save cpu cycles.
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Waiman Long <longman@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to '')
0 files changed, 0 insertions, 0 deletions