RAND_21BIT_MASK - Linux

Symbol: RAND_21BIT_MASK

tools/testing/selftests/bpf/prog_tests/reg_bounds.c

(((u64)random() & RAND_21BIT_MASK) << 21) |

tools/testing/selftests/bpf/prog_tests/reg_bounds.c

(random() & RAND_21BIT_MASK);