diff options
| -rw-r--r-- | mm/oom_kill.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/mm/oom_kill.c b/mm/oom_kill.c index 5a3ba96c8338..10f686969fc4 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -902,13 +902,7 @@ static void oom_kill_process(struct oom_control *oc, const char *message) continue; if (same_thread_group(p, victim)) continue; - if (unlikely(p->flags & PF_KTHREAD) || is_global_init(p)) { - /* - * We cannot use oom_reaper for the mm shared by this - * process because it wouldn't get killed and so the - * memory might be still used. Hide the mm from the oom - * killer to guarantee OOM forward progress. - */ + if (is_global_init(p)) { can_oom_reap = false; set_bit(MMF_OOM_SKIP, &mm->flags); pr_info("oom killer %d (%s) has mm pinned by %d (%s)\n", @@ -916,6 +910,12 @@ static void oom_kill_process(struct oom_control *oc, const char *message) task_pid_nr(p), p->comm); continue; } + /* + * No use_mm() user needs to read from the userspace so we are + * ok to reap it. + */ + if (unlikely(p->flags & PF_KTHREAD)) + continue; do_send_sig_info(SIGKILL, SEND_SIG_FORCED, p, true); } rcu_read_unlock(); |