ZONE_OOM_LOCKED   370 include/linux/mmzone.h 	return test_bit(ZONE_OOM_LOCKED, &zone->flags);
ZONE_OOM_LOCKED   486 mm/oom_kill.c  		zone_set_flag(zone, ZONE_OOM_LOCKED);
ZONE_OOM_LOCKED   506 mm/oom_kill.c  		zone_clear_flag(zone, ZONE_OOM_LOCKED);