Symbol: __refcount_sub_and_test
include/linux/refcount.h
427
return __refcount_sub_and_test(i, r, NULL);
include/linux/refcount.h
432
return __refcount_sub_and_test(1, r, oldp);
net/core/sock.c
2679
free = __refcount_sub_and_test(len, &sk->sk_wmem_alloc,