diff options
Diffstat (limited to 'mm/oom_kill.c')
| -rw-r--r-- | mm/oom_kill.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/mm/oom_kill.c b/mm/oom_kill.c index 415f7eb913fa..c0376efa79ec 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -174,8 +174,13 @@ unsigned long oom_badness(struct task_struct *p, struct mem_cgroup *memcg, if (!p) return 0; + /* + * Do not even consider tasks which are explicitly marked oom + * unkillable or have been already oom reaped. + */ adj = (long)p->signal->oom_score_adj; - if (adj == OOM_SCORE_ADJ_MIN) { + if (adj == OOM_SCORE_ADJ_MIN || + test_bit(MMF_OOM_REAPED, &p->mm->flags)) { task_unlock(p); return 0; } @@ -513,7 +518,7 @@ static bool __oom_reap_task(struct task_struct *tsk) * This task can be safely ignored because we cannot do much more * to release its memory. */ - tsk->signal->oom_score_adj = OOM_SCORE_ADJ_MIN; + set_bit(MMF_OOM_REAPED, &mm->flags); out: mmput(mm); return ret; |