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cpuset_v2: skip Apply when no limit is specified 

Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
This commit is contained in:
Akihiro Suda 2019-10-19 00:33:31 +09:00
parent 4e3701702e
commit d918e7f408
1 changed files with 5 additions and 2 deletions
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7
libcontainer/cgroups/fs/cpuset_v2.go
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@ -22,11 +22,14 @@ func (s *CpusetGroupV2) Name() string {
} }
func (s *CpusetGroupV2) Apply(d *cgroupData) error { func (s *CpusetGroupV2) Apply(d *cgroupData) error {
if d.config.Resources.CpusetCpus == "" && d.config.Resources.CpusetMems == "" {
return nil
}
dir, err := d.path("cpuset") dir, err := d.path("cpuset")
if err != nil && !cgroups.IsNotFound(err) { if err != nil && !cgroups.IsNotFound(err) {
return err return err
} }
return s.ApplyDir(dir, d.config, d.pid) return s.applyDir(dir, d.config, d.pid)
} }
func (s *CpusetGroupV2) Set(path string, cgroup *configs.Cgroup) error { func (s *CpusetGroupV2) Set(path string, cgroup *configs.Cgroup) error {
@ -51,7 +54,7 @@ func (s *CpusetGroupV2) GetStats(path string, stats *cgroups.Stats) error {
return nil return nil
} }
func (s *CpusetGroupV2) ApplyDir(dir string, cgroup *configs.Cgroup, pid int) error { func (s *CpusetGroupV2) applyDir(dir string, cgroup *configs.Cgroup, pid int) error {
// This might happen if we have no cpuset cgroup mounted. // This might happen if we have no cpuset cgroup mounted.
// Just do nothing and don't fail. // Just do nothing and don't fail.
if dir == "" { if dir == "" {