AS_MM_ALL_LOCKS 2305 mm/mmap.c if (!test_bit(AS_MM_ALL_LOCKS, &mapping->flags)) { AS_MM_ALL_LOCKS 2315 mm/mmap.c if (test_and_set_bit(AS_MM_ALL_LOCKS, &mapping->flags)) AS_MM_ALL_LOCKS 2409 mm/mmap.c if (test_bit(AS_MM_ALL_LOCKS, &mapping->flags)) { AS_MM_ALL_LOCKS 2415 mm/mmap.c if (!test_and_clear_bit(AS_MM_ALL_LOCKS,