bpf_jit_needs_zext 853 include/linux/filter.h bool bpf_jit_needs_zext(void); bpf_jit_needs_zext 8544 kernel/bpf/verifier.c if (!bpf_jit_needs_zext()) bpf_jit_needs_zext 9426 kernel/bpf/verifier.c env->prog->aux->verifier_zext = bpf_jit_needs_zext() ? !ret