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| author | Ian Lewis <ianlewis@google.com> | 2020-03-05 18:21:39 -0800 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-03-05 18:23:01 -0800 |
| commit | da48fc6cca23a38faef51c5b5f8ae609940773a0 (patch) | |
| tree | 21ce4007f01fc85c584f6da4e92fee35fa6d329d /pkg/sentry/kernel/task_start.go | |
| parent | 9b64b658c1b9a4986bc5a4ebd9e5ddeb9f52dfa3 (diff) | |
Stub oom_score_adj and oom_score.
Adds an oom_score_adj and oom_score proc file stub. oom_score_adj accepts
writes of values -1000 to 1000 and persists the value with the task. New tasks
inherit the parent's oom_score_adj.
oom_score is a read-only stub that always returns the value '0'.
Issue #202
PiperOrigin-RevId: 299245355
Diffstat (limited to 'pkg/sentry/kernel/task_start.go')
| -rw-r--r-- | pkg/sentry/kernel/task_start.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/pkg/sentry/kernel/task_start.go b/pkg/sentry/kernel/task_start.go index a5035bb7f..2bbf48bb8 100644 --- a/pkg/sentry/kernel/task_start.go +++ b/pkg/sentry/kernel/task_start.go @@ -93,6 +93,9 @@ type TaskConfig struct { // ContainerID is the container the new task belongs to. ContainerID string + + // oomScoreAdj is the task's OOM score adjustment. + OOMScoreAdj int32 } // NewTask creates a new task defined by cfg. @@ -143,6 +146,7 @@ func (ts *TaskSet) newTask(cfg *TaskConfig) (*Task, error) { rseqSignature: cfg.RSeqSignature, futexWaiter: futex.NewWaiter(), containerID: cfg.ContainerID, + oomScoreAdj: cfg.OOMScoreAdj, } t.creds.Store(cfg.Credentials) t.endStopCond.L = &t.tg.signalHandlers.mu |