LW_URGENT 102 net/core/link_watch.c if (test_bit(LW_URGENT, &linkwatch_flags)) LW_URGENT 107 net/core/link_watch.c if (test_and_set_bit(LW_URGENT, &linkwatch_flags)) LW_URGENT 124 net/core/link_watch.c if (!test_bit(LW_URGENT, &linkwatch_flags)) LW_URGENT 153 net/core/link_watch.c clear_bit(LW_URGENT, &linkwatch_flags);