On Thu, 4 Nov 2021 18:35:32 +0100 Lorenzo Bianconi wrote: > +static int bpf_xdp_mb_shrink_tail(struct xdp_buff *xdp, int offset) > +{ > + struct skb_shared_info *sinfo = xdp_get_shared_info_from_buff(xdp); > + int i, n_frags_free = 0, len_free = 0, tlen_free = 0; clang says tlen_free set but not used.