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(-)b/share/man/man4/bpf.4 (+1 lines)
Lines 649-654 buffer size is suggested, especially when there are multiple Link Here
649 
.Nm
 649 
.Nm
650 
descriptors in use on 32-bit systems.
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descriptors in use on 32-bit systems.
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.It Dv BIOCROTZBUF
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.It Dv BIOCROTZBUF
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.Pq Li struct bpf_zbuf
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Force ownership of the next buffer to be assigned to userspace, if any data
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Force ownership of the next buffer to be assigned to userspace, if any data
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present in the buffer.
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present in the buffer.
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If no data is present, the buffer will remain owned by the kernel.
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If no data is present, the buffer will remain owned by the kernel.

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