csum_fold_helper   55 samples/bpf/xdp_adjust_tail_kern.c static __always_inline __u16 csum_fold_helper(__u32 csum)
csum_fold_helper   43 tools/testing/selftests/bpf/progs/xdping_kern.c static __always_inline __u16 csum_fold_helper(__wsum sum)