oom_reaper_lock 510 mm/oom_kill.c static DEFINE_SPINLOCK(oom_reaper_lock); oom_reaper_lock 644 mm/oom_kill.c spin_lock(&oom_reaper_lock); oom_reaper_lock 649 mm/oom_kill.c spin_unlock(&oom_reaper_lock); oom_reaper_lock 666 mm/oom_kill.c spin_lock(&oom_reaper_lock); oom_reaper_lock 669 mm/oom_kill.c spin_unlock(&oom_reaper_lock);