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由 Toshiaki Makita 提交于
xdp_frame has kernel pointers which should not be readable from bpf programs. When we want to reuse xdp_frame region but it may be read by bpf programs later, we can use this helper to clear kernel pointers. This is more efficient than calling memset() for the entire struct. Signed-off-by: NToshiaki Makita <makita.toshiaki@lab.ntt.co.jp> Acked-by: NJesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: NDaniel Borkmann <daniel@iogearbox.net>
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