| commit | 20b454a61fba59be13de52b4493898583ea26d20 | [log] [tgz] |
|---|---|---|
| author | Tejun Heo <tj@kernel.org> | Thu Mar 03 09:57:57 2016 -0500 |
| committer | Tejun Heo <tj@kernel.org> | Thu Mar 03 09:57:57 2016 -0500 |
| tree | 5ca01cf119f13dbd501886cecd917f0705382d96 | |
| parent | 2378d8b8ba3d2adffb4f98c0c60ee2f448b3be69 [diff] |
cgroup: suppress spurious de-populated events During task migration, tasks may transfer between two css_sets which are associated with the same cgroup. If those tasks are the only tasks in the cgroup, this currently triggers a spurious de-populated event on the cgroup. Fix it by bumping up populated count before bumping it down during migration to ensure that it doesn't reach zero spuriously. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Zefan Li <lizefan@huawei.com>